64231850615679 has 12 divisors (see below), whose sum is σ = 92791610652832. Its totient is φ = 42815570263200.

The previous prime is 64231850615633. The next prime is 64231850615683. The reversal of 64231850615679 is 97651605813246.

It is a happy number.

64231850615679 is a `hidden beast` number, since 6 + 4 + 2 + 3 + 1 + 8 + 5 + 0 + 61 + 567 + 9 = 666.

It is not a de Polignac number, because 64231850615679 - 2⁷ = 64231850615551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64231850615479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471884887 + ... + 472020984.

It is a 1-persistent number, because it is pandigital, but 2⋅64231850615679 = 128463701231358 is not.

Almost surely, 2^{64231850615679} is an apocalyptic number.

64231850615679 is a deficient number, since it is larger than the sum of its proper divisors (28559760037153).

64231850615679 is a wasteful number, since it uses less digits than its factorization.

64231850615679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943913438 (or 943913435 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 63.

The spelling of 64231850615679 in words is "sixty-four trillion, two hundred thirty-one billion, eight hundred fifty million, six hundred fifteen thousand, six hundred seventy-nine".