6459136794767 has 4 divisors (see below), whose sum is σ = 6479512620936. Its totient is φ = 6438760968600.

The previous prime is 6459136794697. The next prime is 6459136794809. The reversal of 6459136794767 is 7674976319546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6459136794767 - 2²⁰ = 6459135746191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6459136794694 and 6459136794703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6459136794967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10187912609 + ... + 10187913242.

It is an arithmetic number, because the mean of its divisors is an integer number (1619878155234).

Almost surely, 2^{6459136794767} is an apocalyptic number.

6459136794767 is a deficient number, since it is larger than the sum of its proper divisors (20375826169).

6459136794767 is a wasteful number, since it uses less digits than its factorization.

6459136794767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20375826168.

The product of its digits is 1440270720, while the sum is 74.

The spelling of 6459136794767 in words is "six trillion, four hundred fifty-nine billion, one hundred thirty-six million, seven hundred ninety-four thousand, seven hundred sixty-seven".