64018784874 has 32 divisors (see below), whose sum is σ = 144493813440. Its totient is φ = 18730678400.

The previous prime is 64018784849. The next prime is 64018784887. The reversal of 64018784874 is 47848781046.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16721907 + ... + 16725734.

It is an arithmetic number, because the mean of its divisors is an integer number (4515431670).

Almost surely, 2^64018784874 is an apocalyptic number.

64018784874 is an abundant number, since it is smaller than the sum of its proper divisors (80475028566).

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

64018784874 is a wasteful number, since it uses less digits than its factorization.

64018784874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33447686.

The product of its (nonzero) digits is 9633792, while the sum is 57.

The spelling of 64018784874 in words is "sixty-four billion, eighteen million, seven hundred eighty-four thousand, eight hundred seventy-four".