64879151496 has 32 divisors (see below), whose sum is σ = 170734610400. Its totient is φ = 20488152960.

The previous prime is 64879151431. The next prime is 64879151549. The reversal of 64879151496 is 69415197846.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71138965 + ... + 71139876.

It is an arithmetic number, because the mean of its divisors is an integer number (5335456575).

Almost surely, 2^64879151496 is an apocalyptic number.

It is an amenable number.

64879151496 is an abundant number, since it is smaller than the sum of its proper divisors (105855458904).

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

64879151496 is a wasteful number, since it uses less digits than its factorization.

64879151496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142278869 (or 142278865 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 60.

The spelling of 64879151496 in words is "sixty-four billion, eight hundred seventy-nine million, one hundred fifty-one thousand, four hundred ninety-six".