64025392669 has 32 divisors (see below), whose sum is σ = 76167786240. Its totient is φ = 52656576000.

The previous prime is 64025392619. The next prime is 64025392687. The reversal of 64025392669 is 96629352046.

It is not a de Polignac number, because 64025392669 - 2¹³ = 64025384477 is a prime.

It is a super-2 number, since 2×64025392669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64025392609) 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, 33155634 + ... + 33157564.

It is an arithmetic number, because the mean of its divisors is an integer number (2380243320).

Almost surely, 2^64025392669 is an apocalyptic number.

It is an amenable number.

64025392669 is a deficient number, since it is larger than the sum of its proper divisors (12142393571).

64025392669 is a wasteful number, since it uses less digits than its factorization.

64025392669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901.

The product of its (nonzero) digits is 4199040, while the sum is 52.

The spelling of 64025392669 in words is "sixty-four billion, twenty-five million, three hundred ninety-two thousand, six hundred sixty-nine".