64957952292 has 48 divisors (see below), whose sum is σ = 154316648640. Its totient is φ = 21262108032.

The previous prime is 64957952287. The next prime is 64957952303. The reversal of 64957952292 is 29225975946.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127434 + ... + 382302.

It is an arithmetic number, because the mean of its divisors is an integer number (3214930180).

Almost surely, 2^64957952292 is an apocalyptic number.

It is a pronic number, being equal to 254868×254869.

It is an amenable number.

64957952292 is an abundant number, since it is smaller than the sum of its proper divisors (89358696348).

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

64957952292 is a wasteful number, since it uses less digits than its factorization.

64957952292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255260 (or 255258 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 60.

The spelling of 64957952292 in words is "sixty-four billion, nine hundred fifty-seven million, nine hundred fifty-two thousand, two hundred ninety-two".