19313670684 has 48 divisors (see below), whose sum is σ = 56185226496. Its totient is φ = 5016537600.

The previous prime is 19313670667. The next prime is 19313670689. The reversal of 19313670684 is 48607631391.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19313670689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10450197 + ... + 10452044.

It is an arithmetic number, because the mean of its divisors is an integer number (1170525552).

Almost surely, 2^19313670684 is an apocalyptic number.

19313670684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19313670684 is an abundant number, since it is smaller than the sum of its proper divisors (36871555812).

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

19313670684 is a wasteful number, since it uses less digits than its factorization.

19313670684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20902266 (or 20902264 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 19313670684 in words is "nineteen billion, three hundred thirteen million, six hundred seventy thousand, six hundred eighty-four".