6934521418 has 16 divisors (see below), whose sum is σ = 11434024800. Its totient is φ = 3127992400.

The previous prime is 6934521403. The next prime is 6934521421. The reversal of 6934521418 is 8141254396.

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, 1200193 + ... + 1205956.

It is an arithmetic number, because the mean of its divisors is an integer number (714626550).

Almost surely, 2^6934521418 is an apocalyptic number.

6934521418 is a deficient number, since it is larger than the sum of its proper divisors (4499503382).

6934521418 is a wasteful number, since it uses less digits than its factorization.

6934521418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406293.

The product of its digits is 207360, while the sum is 43.

The square root of 6934521418 is about 83273.7738907034. The cubic root of 6934521418 is about 1906.9479153730.

The spelling of 6934521418 in words is "six billion, nine hundred thirty-four million, five hundred twenty-one thousand, four hundred eighteen".