5638989932 has 12 divisors (see below), whose sum is σ = 9874361616. Its totient is φ = 2817743760.

The previous prime is 5638989911. The next prime is 5638989953. The reversal of 5638989932 is 2399898365.

It is an interprime number because it is at equal distance from previous prime (5638989911) and next prime (5638989953).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430544 + ... + 443447.

It is an arithmetic number, because the mean of its divisors is an integer number (822863468).

Almost surely, 2^5638989932 is an apocalyptic number.

It is an amenable number.

5638989932 is a deficient number, since it is larger than the sum of its proper divisors (4235371684).

5638989932 is a wasteful number, since it uses less digits than its factorization.

5638989932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875608 (or 875606 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 62.

The square root of 5638989932 is about 75093.2082947586. The cubic root of 5638989932 is about 1779.9198225890.

The spelling of 5638989932 in words is "five billion, six hundred thirty-eight million, nine hundred eighty-nine thousand, nine hundred thirty-two".