319681681974 has 24 divisors (see below), whose sum is σ = 733387388760. Its totient is φ = 100292292288.

The previous prime is 319681681961. The next prime is 319681681999. The reversal of 319681681974 is 479186186913.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 522355384 + ... + 522355995.

It is an arithmetic number, because the mean of its divisors is an integer number (30557807865).

Almost surely, 2^319681681974 is an apocalyptic number.

319681681974 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

319681681974 is an abundant number, since it is smaller than the sum of its proper divisors (413705706786).

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

319681681974 is a wasteful number, since it uses less digits than its factorization.

319681681974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044711404 (or 1044711401 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The spelling of 319681681974 in words is "three hundred nineteen billion, six hundred eighty-one million, six hundred eighty-one thousand, nine hundred seventy-four".