5645861352 has 40 divisors (see below), whose sum is σ = 15813641250. Its totient is φ = 1881953568.

The previous prime is 5645861311. The next prime is 5645861369. The reversal of 5645861352 is 2531685465.

5645861352 is a `hidden beast` number, since 5 + 6 + 4 + 586 + 13 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3664365156 + 1981496196 = 60534^2 + 44514^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5645861298 and 5645861307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4355727 + ... + 4357022.

Almost surely, 2^5645861352 is an apocalyptic number.

It is an amenable number.

5645861352 is an abundant number, since it is smaller than the sum of its proper divisors (10167779898).

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

5645861352 is a wasteful number, since it uses less digits than its factorization.

5645861352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8712767 (or 8712754 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 5645861352 is about 75138.9469715939. The cubic root of 5645861352 is about 1780.6425059240.

The spelling of 5645861352 in words is "five billion, six hundred forty-five million, eight hundred sixty-one thousand, three hundred fifty-two".