64692113516351 has 32 divisors (see below), whose sum is σ = 66203901720000. Its totient is φ = 63202754255872.

The previous prime is 64692113516321. The next prime is 64692113516399. The reversal of 64692113516351 is 15361531129646.

It is a cyclic number.

It is not a de Polignac number, because 64692113516351 - 2²² = 64692109322047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64692113516293 and 64692113516302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64692113516321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3844077005 + ... + 3844093833.

It is an arithmetic number, because the mean of its divisors is an integer number (2068871928750).

Almost surely, 2^{64692113516351} is an apocalyptic number.

64692113516351 is a deficient number, since it is larger than the sum of its proper divisors (1511788203649).

64692113516351 is a wasteful number, since it uses less digits than its factorization.

64692113516351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18571.

The product of its digits is 3499200, while the sum is 53.

The spelling of 64692113516351 in words is "sixty-four trillion, six hundred ninety-two billion, one hundred thirteen million, five hundred sixteen thousand, three hundred fifty-one".