5645517472431 has 12 divisors (see below), whose sum is σ = 8583827736120. Its totient is φ = 3565589982480.

The previous prime is 5645517472409. The next prime is 5645517472487. The reversal of 5645517472431 is 1342747155465.

5645517472431 is a `hidden beast` number, since 5 + 6 + 4 + 551 + 7 + 47 + 2 + 43 + 1 = 666.

It is not a de Polignac number, because 5645517472431 - 2⁶ = 5645517472367 is a prime.

It is a super-2 number, since 2×5645517472431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645517472531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16507360860 + ... + 16507361201.

It is an arithmetic number, because the mean of its divisors is an integer number (715318978010).

Almost surely, 2^{5645517472431} is an apocalyptic number.

5645517472431 is a deficient number, since it is larger than the sum of its proper divisors (2938310263689).

5645517472431 is a wasteful number, since it uses less digits than its factorization.

5645517472431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33014722086 (or 33014722083 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 54.

The spelling of 5645517472431 in words is "five trillion, six hundred forty-five billion, five hundred seventeen million, four hundred seventy-two thousand, four hundred thirty-one".