64634555012 has 12 divisors (see below), whose sum is σ = 118028318016. Its totient is φ = 30912178440.

The previous prime is 64634554997. The next prime is 64634555077. The reversal of 64634555012 is 21055543646.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351274664 + ... + 351274847.

It is an arithmetic number, because the mean of its divisors is an integer number (9835693168).

Almost surely, 2^64634555012 is an apocalyptic number.

It is an amenable number.

64634555012 is a deficient number, since it is larger than the sum of its proper divisors (53393763004).

64634555012 is a wasteful number, since it uses less digits than its factorization.

64634555012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702549538 (or 702549536 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 64634555012 in words is "sixty-four billion, six hundred thirty-four million, five hundred fifty-five thousand, twelve".