5645104131864 has 32 divisors (see below), whose sum is σ = 14112864829440. Its totient is φ = 1881687444000.

The previous prime is 5645104131859. The next prime is 5645104131869. The reversal of 5645104131864 is 4681314015465.

It is an interprime number because it is at equal distance from previous prime (5645104131859) and next prime (5645104131869).

It is a super-2 number, since 2×5645104131864² (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 (5645104131869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2744169 + ... + 4338279.

It is an arithmetic number, because the mean of its divisors is an integer number (441027025920).

Almost surely, 2^{5645104131864} is an apocalyptic number.

It is an amenable number.

5645104131864 is an abundant number, since it is smaller than the sum of its proper divisors (8467760697576).

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

5645104131864 is a wasteful number, since it uses less digits than its factorization.

5645104131864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741671 (or 1741667 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 5645104131864 in words is "five trillion, six hundred forty-five billion, one hundred four million, one hundred thirty-one thousand, eight hundred sixty-four".