19912476192 has 48 divisors (see below), whose sum is σ = 59737430592. Its totient is φ = 5689278720.

The previous prime is 19912476187. The next prime is 19912476209. The reversal of 19912476192 is 29167421991.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14815159 + ... + 14816502.

It is an arithmetic number, because the mean of its divisors is an integer number (1244529804).

Almost surely, 2^19912476192 is an apocalyptic number.

19912476192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19912476192 is an abundant number, since it is smaller than the sum of its proper divisors (39824954400).

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

19912476192 is a wasteful number, since it uses less digits than its factorization.

19912476192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29631681 (or 29631673 counting only the distinct ones).

The product of its digits is 489888, while the sum is 51.

The spelling of 19912476192 in words is "nineteen billion, nine hundred twelve million, four hundred seventy-six thousand, one hundred ninety-two".