6739664913 has 16 divisors (see below), whose sum is σ = 9994395840. Its totient is φ = 4488741792.

The previous prime is 6739664891. The next prime is 6739664923. The reversal of 6739664913 is 3194669376.

6739664913 is a `hidden beast` number, since 67 + 3 + 96 + 6 + 491 + 3 = 666.

It is not a de Polignac number, because 6739664913 - 2¹² = 6739660817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6739664913.

It is not an unprimeable number, because it can be changed into a prime (6739664923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92931 + ... + 148712.

It is an arithmetic number, because the mean of its divisors is an integer number (624649740).

Almost surely, 2^6739664913 is an apocalyptic number.

It is an amenable number.

6739664913 is a deficient number, since it is larger than the sum of its proper divisors (3254730927).

6739664913 is a wasteful number, since it uses less digits than its factorization.

6739664913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242685 (or 242679 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 54.

The square root of 6739664913 is about 82095.4621949350. The cubic root of 6739664913 is about 1888.9165344636.

The spelling of 6739664913 in words is "six billion, seven hundred thirty-nine million, six hundred sixty-four thousand, nine hundred thirteen".