19382574956 has 48 divisors (see below), whose sum is σ = 38139867360. Its totient is φ = 8564613120.

The previous prime is 19382574947. The next prime is 19382574997. The reversal of 19382574956 is 65947528391.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19382574895 and 19382574904.

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 15 ways as a sum of consecutive naturals, for example, 79616 + ... + 212376.

It is an arithmetic number, because the mean of its divisors is an integer number (794580570).

Almost surely, 2^19382574956 is an apocalyptic number.

It is an amenable number.

19382574956 is a deficient number, since it is larger than the sum of its proper divisors (18757292404).

19382574956 is a wasteful number, since it uses less digits than its factorization.

19382574956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132914 (or 132912 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 59.

The spelling of 19382574956 in words is "nineteen billion, three hundred eighty-two million, five hundred seventy-four thousand, nine hundred fifty-six".