6491970592 has 24 divisors (see below), whose sum is σ = 12956154876. Its totient is φ = 3201518592.

The previous prime is 6491970533. The next prime is 6491970601. The reversal of 6491970592 is 2950791946.

It can be written as a sum of positive squares in 2 ways, for example, as 5660455696 + 831514896 = 75236^2 + 28836^2 .

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, 1387213 + ... + 1391884.

Almost surely, 2^6491970592 is an apocalyptic number.

It is an amenable number.

6491970592 is a deficient number, since it is larger than the sum of its proper divisors (6464184284).

6491970592 is a wasteful number, since it uses less digits than its factorization.

6491970592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779180 (or 2779172 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 6491970592 is about 80572.7658207164. The cubic root of 6491970592 is about 1865.4868039486.

The spelling of 6491970592 in words is "six billion, four hundred ninety-one million, nine hundred seventy thousand, five hundred ninety-two".