5643732844 has 6 divisors (see below), whose sum is σ = 9876532484. Its totient is φ = 2821866420.

The previous prime is 5643732817. The next prime is 5643732883. The reversal of 5643732844 is 4482373465.

It is a junction number, because it is equal to n+sod(n) for n = 5643732794 and 5643732803.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705466602 + ... + 705466609.

Almost surely, 2^5643732844 is an apocalyptic number.

It is an amenable number.

5643732844 is a deficient number, since it is larger than the sum of its proper divisors (4232799640).

5643732844 is a wasteful number, since it uses less digits than its factorization.

5643732844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410933215 (or 1410933213 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 46.

The square root of 5643732844 is about 75124.7818233105. The cubic root of 5643732844 is about 1780.4187084685.

The spelling of 5643732844 in words is "five billion, six hundred forty-three million, seven hundred thirty-two thousand, eight hundred forty-four".