6930931386 has 32 divisors (see below), whose sum is σ = 14574960000. Its totient is φ = 2194073280.

The previous prime is 6930931369. The next prime is 6930931417. The reversal of 6930931386 is 6831390396.

It is a happy 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, 315886 + ... + 337113.

It is an arithmetic number, because the mean of its divisors is an integer number (455467500).

Almost surely, 2^6930931386 is an apocalyptic number.

6930931386 is an abundant number, since it is smaller than the sum of its proper divisors (7644028614).

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

6930931386 is a wasteful number, since it uses less digits than its factorization.

6930931386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653094.

The product of its (nonzero) digits is 629856, while the sum is 48.

The square root of 6930931386 is about 83252.2155020514. The cubic root of 6930931386 is about 1906.6187801490.

The spelling of 6930931386 in words is "six billion, nine hundred thirty million, nine hundred thirty-one thousand, three hundred eighty-six".