5643936684 has 24 divisors (see below), whose sum is σ = 14632428720. Its totient is φ = 1881312192.

The previous prime is 5643936677. The next prime is 5643936707. The reversal of 5643936684 is 4866393465.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 5643936684.

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, 26129229 + ... + 26129444.

It is an arithmetic number, because the mean of its divisors is an integer number (609684530).

Almost surely, 2^5643936684 is an apocalyptic number.

5643936684 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5643936684 is an abundant number, since it is smaller than the sum of its proper divisors (8988492036).

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

5643936684 is a wasteful number, since it uses less digits than its factorization.

5643936684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52258686 (or 52258678 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The square root of 5643936684 is about 75126.1384872136. The cubic root of 5643936684 is about 1780.4401432287.

The spelling of 5643936684 in words is "five billion, six hundred forty-three million, nine hundred thirty-six thousand, six hundred eighty-four".