5645471312 has 40 divisors (see below), whose sum is σ = 11854590216. Its totient is φ = 2588990976.

The previous prime is 5645471297. The next prime is 5645471323. The reversal of 5645471312 is 2131745465.

It can be written as a sum of positive squares in 4 ways, for example, as 46840336 + 5598630976 = 6844^2 + 74824^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53783 + ... + 119094.

Almost surely, 2^5645471312 is an apocalyptic number.

5645471312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5645471312 is an abundant number, since it is smaller than the sum of its proper divisors (6209118904).

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

5645471312 is a wasteful number, since it uses less digits than its factorization.

5645471312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173055 (or 173049 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 5645471312 is about 75136.3514685136. The cubic root of 5645471312 is about 1780.6015002059.

The spelling of 5645471312 in words is "five billion, six hundred forty-five million, four hundred seventy-one thousand, three hundred twelve".