64652988308 has 12 divisors (see below), whose sum is σ = 116792495232. Its totient is φ = 31283703960.

The previous prime is 64652988251. The next prime is 64652988313. The reversal of 64652988308 is 80388925646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260697410 + ... + 260697657.

It is an arithmetic number, because the mean of its divisors is an integer number (9732707936).

Almost surely, 2^64652988308 is an apocalyptic number.

It is an amenable number.

64652988308 is a deficient number, since it is larger than the sum of its proper divisors (52139506924).

64652988308 is a wasteful number, since it uses less digits than its factorization.

64652988308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521395102 (or 521395100 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 59.

The spelling of 64652988308 in words is "sixty-four billion, six hundred fifty-two million, nine hundred eighty-eight thousand, three hundred eight".