19313272364 has 12 divisors (see below), whose sum is σ = 33802902000. Its totient is φ = 9655300368.

The previous prime is 19313272357. The next prime is 19313272387. The reversal of 19313272364 is 46327231391.

It is a happy number.

It is a super-2 number, since 2×19313272364² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301064 + ... + 359535.

It is an arithmetic number, because the mean of its divisors is an integer number (2816908500).

Almost surely, 2^19313272364 is an apocalyptic number.

It is an amenable number.

19313272364 is a deficient number, since it is larger than the sum of its proper divisors (14489629636).

19313272364 is a wasteful number, since it uses less digits than its factorization.

19313272364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667912 (or 667910 counting only the distinct ones).

The product of its digits is 163296, while the sum is 41.

The spelling of 19313272364 in words is "nineteen billion, three hundred thirteen million, two hundred seventy-two thousand, three hundred sixty-four".