5391971632 has 20 divisors (see below), whose sum is σ = 10449427176. Its totient is φ = 2695345280.

The previous prime is 5391971603. The next prime is 5391971671. The reversal of 5391971632 is 2361791935.

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, 33507 + ... + 109117.

Almost surely, 2^5391971632 is an apocalyptic number.

It is an amenable number.

5391971632 is a deficient number, since it is larger than the sum of its proper divisors (5057455544).

5391971632 is a wasteful number, since it uses less digits than its factorization.

5391971632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80076 (or 80070 counting only the distinct ones).

The product of its digits is 306180, while the sum is 46.

The square root of 5391971632 is about 73430.0458395608. The cubic root of 5391971632 is about 1753.5407638979.

The spelling of 5391971632 in words is "five billion, three hundred ninety-one million, nine hundred seventy-one thousand, six hundred thirty-two".