5376538644 has 48 divisors (see below), whose sum is σ = 12669252288. Its totient is φ = 1774499328.

The previous prime is 5376538639. The next prime is 5376538667. The reversal of 5376538644 is 4468356735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2204994 + ... + 2207430.

It is an arithmetic number, because the mean of its divisors is an integer number (263942756).

Almost surely, 2^5376538644 is an apocalyptic number.

It is an amenable number.

5376538644 is an abundant number, since it is smaller than the sum of its proper divisors (7292713644).

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

5376538644 is a wasteful number, since it uses less digits than its factorization.

5376538644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184 (or 4182 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 51.

The square root of 5376538644 is about 73324.8842072049. The cubic root of 5376538644 is about 1751.8661609880.

The spelling of 5376538644 in words is "five billion, three hundred seventy-six million, five hundred thirty-eight thousand, six hundred forty-four".