6915898974 has 16 divisors (see below), whose sum is σ = 13836170880. Its totient is φ = 2304570840.

The previous prime is 6915898963. The next prime is 6915898987. The reversal of 6915898974 is 4798985196.

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, 161464 + ... + 199755.

It is an arithmetic number, because the mean of its divisors is an integer number (864760680).

Almost surely, 2^6915898974 is an apocalyptic number.

6915898974 is an abundant number, since it is smaller than the sum of its proper divisors (6920271906).

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

6915898974 is a wasteful number, since it uses less digits than its factorization.

6915898974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364415.

The product of its digits is 39191040, while the sum is 66.

The square root of 6915898974 is about 83161.8841417148. The cubic root of 6915898974 is about 1905.2393683825.

The spelling of 6915898974 in words is "six billion, nine hundred fifteen million, eight hundred ninety-eight thousand, nine hundred seventy-four".