64025392689 has 12 divisors (see below), whose sum is σ = 92664988416. Its totient is φ = 42598734072.

The previous prime is 64025392687. The next prime is 64025392801. The reversal of 64025392689 is 98629352046.

It is a happy number.

64025392689 is a `hidden beast` number, since 6 + 4 + 0 + 2 + 539 + 26 + 89 = 666.

It is not a de Polignac number, because 64025392689 - 2¹ = 64025392687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64025392687) 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, 7066977 + ... + 7076030.

It is an arithmetic number, because the mean of its divisors is an integer number (7722082368).

Almost surely, 2^64025392689 is an apocalyptic number.

It is an amenable number.

64025392689 is a deficient number, since it is larger than the sum of its proper divisors (28639595727).

64025392689 is a wasteful number, since it uses less digits than its factorization.

64025392689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14143516 (or 14143513 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 64025392689 in words is "sixty-four billion, twenty-five million, three hundred ninety-two thousand, six hundred eighty-nine".