6893931894 has 32 divisors (see below), whose sum is σ = 14159992320. Its totient is φ = 2236503072.

The previous prime is 6893931883. The next prime is 6893931923. The reversal of 6893931894 is 4981393986.

It is a super-2 number, since 2×6893931894² = 95052593918220854472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17809 + ... + 118764.

It is an arithmetic number, because the mean of its divisors is an integer number (442499760).

Almost surely, 2^6893931894 is an apocalyptic number.

6893931894 is an abundant number, since it is smaller than the sum of its proper divisors (7266060426).

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

6893931894 is a wasteful number, since it uses less digits than its factorization.

6893931894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136804.

The product of its digits is 10077696, while the sum is 60.

The square root of 6893931894 is about 83029.7048892744. The cubic root of 6893931894 is about 1903.2200147914.

The spelling of 6893931894 in words is "six billion, eight hundred ninety-three million, nine hundred thirty-one thousand, eight hundred ninety-four".