64492554991734 has 80 divisors (see below), whose sum is σ = 147616148804256. Its totient is φ = 21040029763200.

The previous prime is 64492554991673. The next prime is 64492554991789. The reversal of 64492554991734 is 43719945529446.

64492554991734 is a `hidden beast` number, since 6 + 4 + 4 + 9 + 2 + 5 + 549 + 9 + 1 + 73 + 4 = 666.

It is a super-3 number, since 3×64492554991734³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18887997 + ... + 22039544.

Almost surely, 2^{64492554991734} is an apocalyptic number.

64492554991734 is an abundant number, since it is smaller than the sum of its proper divisors (83123593812522).

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

64492554991734 is a wasteful number, since it uses less digits than its factorization.

64492554991734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40927763 (or 40927754 counting only the distinct ones).

The product of its digits is 1175731200, while the sum is 72.

The spelling of 64492554991734 in words is "sixty-four trillion, four hundred ninety-two billion, five hundred fifty-four million, nine hundred ninety-one thousand, seven hundred thirty-four".