6886736945 has 48 divisors (see below), whose sum is σ = 9321203520. Its totient is φ = 4842768000.

The previous prime is 6886736929. The next prime is 6886736971. The reversal of 6886736945 is 5496376886.

It is not a de Polignac number, because 6886736945 - 2⁴ = 6886736929 is a prime.

Its product of digits (52254720) is a multiple of the sum of its prime divisors (567).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16357835 + ... + 16358255.

It is an arithmetic number, because the mean of its divisors is an integer number (194191740).

Almost surely, 2^6886736945 is an apocalyptic number.

It is an amenable number.

6886736945 is a deficient number, since it is larger than the sum of its proper divisors (2434466575).

6886736945 is a wasteful number, since it uses less digits than its factorization.

6886736945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 567 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 62.

The square root of 6886736945 is about 82986.3660187624. The cubic root of 6886736945 is about 1902.5576768713.

The spelling of 6886736945 in words is "six billion, eight hundred eighty-six million, seven hundred thirty-six thousand, nine hundred forty-five".