64562642312 has 32 divisors (see below), whose sum is σ = 138404092800. Its totient is φ = 27658589184.

The previous prime is 64562642293. The next prime is 64562642341. The reversal of 64562642312 is 21324626546.

64562642312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64562642312.

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, 90137 + ... + 370472.

It is an arithmetic number, because the mean of its divisors is an integer number (4325127900).

Almost surely, 2^64562642312 is an apocalyptic number.

It is an amenable number.

64562642312 is an abundant number, since it is smaller than the sum of its proper divisors (73841450488).

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

64562642312 is a wasteful number, since it uses less digits than its factorization.

64562642312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463125 (or 463121 counting only the distinct ones).

The product of its digits is 414720, while the sum is 41.

The spelling of 64562642312 in words is "sixty-four billion, five hundred sixty-two million, six hundred forty-two thousand, three hundred twelve".