6537500044 has 18 divisors (see below), whose sum is σ = 11848739084. Its totient is φ = 3156032880.

The previous prime is 6537500027. The next prime is 6537500051. The reversal of 6537500044 is 4400057356.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6537499982 and 6537500009.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 968322 + ... + 975049.

Almost surely, 2^6537500044 is an apocalyptic number.

It is an amenable number.

6537500044 is a deficient number, since it is larger than the sum of its proper divisors (5311239040).

6537500044 is a wasteful number, since it uses less digits than its factorization.

6537500044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943433 (or 1943402 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 6537500044 is about 80854.8084160738. The cubic root of 6537500044 is about 1869.8376558427.

The spelling of 6537500044 in words is "six billion, five hundred thirty-seven million, five hundred thousand, forty-four".