6549074872 has 32 divisors (see below), whose sum is σ = 12734190000. Its totient is φ = 3153846528.

The previous prime is 6549074867. The next prime is 6549074887. The reversal of 6549074872 is 2784709456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60379 + ... + 129397.

Almost surely, 2^6549074872 is an apocalyptic number.

It is an amenable number.

6549074872 is a deficient number, since it is larger than the sum of its proper divisors (6185115128).

6549074872 is a wasteful number, since it uses less digits than its factorization.

6549074872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69463 (or 69459 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The square root of 6549074872 is about 80926.3546194934. The cubic root of 6549074872 is about 1870.9405386189.

The spelling of 6549074872 in words is "six billion, five hundred forty-nine million, seventy-four thousand, eight hundred seventy-two".