6517139547429 has 12 divisors (see below), whose sum is σ = 10758452586336. Its totient is φ = 3724079741352.

The previous prime is 6517139547427. The next prime is 6517139547431. The reversal of 6517139547429 is 9247459317156.

6517139547429 is a `hidden beast` number, since 6 + 5 + 1 + 7 + 139 + 5 + 474 + 29 = 666.

6517139547429 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6517139547427) and next prime (6517139547431).

It is not a de Polignac number, because 6517139547429 - 2¹ = 6517139547427 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 103446659483 = 6517139547429 / (6 + 5 + 1 + 7 + 1 + 3 + 9 + 5 + 4 + 7 + 4 + 2 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6517139547427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51723329679 + ... + 51723329804.

It is an arithmetic number, because the mean of its divisors is an integer number (896537715528).

Almost surely, 2^{6517139547429} is an apocalyptic number.

It is an amenable number.

6517139547429 is a deficient number, since it is larger than the sum of its proper divisors (4241313038907).

6517139547429 is a wasteful number, since it uses less digits than its factorization.

6517139547429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103446659496 (or 103446659493 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 63.

The spelling of 6517139547429 in words is "six trillion, five hundred seventeen billion, one hundred thirty-nine million, five hundred forty-seven thousand, four hundred twenty-nine".