19483579788 has 12 divisors (see below), whose sum is σ = 45461686200. Its totient is φ = 6494526592.

The previous prime is 19483579757. The next prime is 19483579813. The reversal of 19483579788 is 88797538491.

It is a tau number, because it is divible by the number of its divisors (12).

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, 811815813 + ... + 811815836.

It is an arithmetic number, because the mean of its divisors is an integer number (3788473850).

Almost surely, 2^19483579788 is an apocalyptic number.

It is an amenable number.

19483579788 is an abundant number, since it is smaller than the sum of its proper divisors (25978106412).

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

19483579788 is a wasteful number, since it uses less digits than its factorization.

19483579788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623631656 (or 1623631654 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 69.

The spelling of 19483579788 in words is "nineteen billion, four hundred eighty-three million, five hundred seventy-nine thousand, seven hundred eighty-eight".