6907189328 has 20 divisors (see below), whose sum is σ = 14412116628. Its totient is φ = 3187933440.

The previous prime is 6907189309. The next prime is 6907189337. The reversal of 6907189328 is 8239817096.

It can be written as a sum of positive squares in 2 ways, for example, as 4447822864 + 2459366464 = 66692^2 + 49592^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6907189328.

It is a congruent number.

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, 16603613 + ... + 16604028.

Almost surely, 2^6907189328 is an apocalyptic number.

It is an amenable number.

6907189328 is an abundant number, since it is smaller than the sum of its proper divisors (7504927300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6907189328 is a wasteful number, since it uses less digits than its factorization.

6907189328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33207662 (or 33207656 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 6907189328 is about 83109.5020319578. The cubic root of 6907189328 is about 1904.4392346935.

The spelling of 6907189328 in words is "six billion, nine hundred seven million, one hundred eighty-nine thousand, three hundred twenty-eight".