64291372884774 has 48 divisors (see below), whose sum is σ = 159239947546368. Its totient is φ = 18364087261296.

The previous prime is 64291372884773. The next prime is 64291372884811. The reversal of 64291372884774 is 47748827319246.

64291372884774 is a `hidden beast` number, since 6 + 4 + 2 + 9 + 1 + 3 + 72 + 88 + 477 + 4 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64291372884773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67251532 + ... + 68200815.

It is an arithmetic number, because the mean of its divisors is an integer number (3317498907216).

Almost surely, 2^{64291372884774} is an apocalyptic number.

64291372884774 is an abundant number, since it is smaller than the sum of its proper divisors (94948574661594).

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

64291372884774 is a wasteful number, since it uses less digits than its factorization.

64291372884774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135456129 (or 135456126 counting only the distinct ones).

The product of its digits is 910393344, while the sum is 72.

The spelling of 64291372884774 in words is "sixty-four trillion, two hundred ninety-one billion, three hundred seventy-two million, eight hundred eighty-four thousand, seven hundred seventy-four".