64068589704 has 64 divisors (see below), whose sum is σ = 183838861440. Its totient is φ = 18226736640.

The previous prime is 64068589699. The next prime is 64068589709. The reversal of 64068589704 is 40798586046.

It is an interprime number because it is at equal distance from previous prime (64068589699) and next prime (64068589709).

It is not an unprimeable number, because it can be changed into a prime (64068589709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779227 + ... + 857514.

It is an arithmetic number, because the mean of its divisors is an integer number (2872482210).

Almost surely, 2^64068589704 is an apocalyptic number.

It is an amenable number.

64068589704 is an abundant number, since it is smaller than the sum of its proper divisors (119770271736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64068589704 is a wasteful number, since it uses less digits than its factorization.

64068589704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636990 (or 1636986 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 64068589704 in words is "sixty-four billion, sixty-eight million, five hundred eighty-nine thousand, seven hundred four".