19476475972 has 12 divisors (see below), whose sum is σ = 34156820880. Its totient is φ = 9717384296.

The previous prime is 19476475961. The next prime is 19476475979. The reversal of 19476475972 is 27957467491.

It is a self number, because there is not a number n which added to its sum of digits gives 19476475972.

It is not an unprimeable number, because it can be changed into a prime (19476475979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5211322 + ... + 5215057.

It is an arithmetic number, because the mean of its divisors is an integer number (2846401740).

Almost surely, 2^19476475972 is an apocalyptic number.

It is an amenable number.

19476475972 is a deficient number, since it is larger than the sum of its proper divisors (14680344908).

19476475972 is a wasteful number, since it uses less digits than its factorization.

19476475972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10426850 (or 10426848 counting only the distinct ones).

The product of its digits is 26671680, while the sum is 61.

The spelling of 19476475972 in words is "nineteen billion, four hundred seventy-six million, four hundred seventy-five thousand, nine hundred seventy-two".