64186274113 has 32 divisors (see below), whose sum is σ = 72134092800. Its totient is φ = 56706048000.

The previous prime is 64186274063. The next prime is 64186274137. The reversal of 64186274113 is 31147268146.

64186274113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64186274113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64186274113.

It is not an unprimeable number, because it can be changed into a prime (64186274143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36489328 + ... + 36491086.

It is an arithmetic number, because the mean of its divisors is an integer number (2254190400).

Almost surely, 2^64186274113 is an apocalyptic number.

It is an amenable number.

64186274113 is a deficient number, since it is larger than the sum of its proper divisors (7947818687).

64186274113 is a wasteful number, since it uses less digits than its factorization.

64186274113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593.

The product of its digits is 193536, while the sum is 43.

The spelling of 64186274113 in words is "sixty-four billion, one hundred eighty-six million, two hundred seventy-four thousand, one hundred thirteen".