6918491274 has 16 divisors (see below), whose sum is σ = 14131387008. Its totient is φ = 2257096352.

The previous prime is 6918491257. The next prime is 6918491297. The reversal of 6918491274 is 4721948196.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 12266547 + ... + 12267110.

It is an arithmetic number, because the mean of its divisors is an integer number (883211688).

Almost surely, 2^6918491274 is an apocalyptic number.

6918491274 is an abundant number, since it is smaller than the sum of its proper divisors (7212895734).

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

6918491274 is a wasteful number, since it uses less digits than its factorization.

6918491274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24533709.

The product of its digits is 870912, while the sum is 51.

The square root of 6918491274 is about 83177.4685476782. The cubic root of 6918491274 is about 1905.4773868512.

The spelling of 6918491274 in words is "six billion, nine hundred eighteen million, four hundred ninety-one thousand, two hundred seventy-four".