19464576972 has 48 divisors (see below), whose sum is σ = 48099213792. Its totient is φ = 6105231360.

The previous prime is 19464576959. The next prime is 19464576977. The reversal of 19464576972 is 27967546491.

It is not an unprimeable number, because it can be changed into a prime (19464576977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1486968 + ... + 1500000.

It is an arithmetic number, because the mean of its divisors is an integer number (1002066954).

Almost surely, 2^19464576972 is an apocalyptic number.

19464576972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19464576972 is an abundant number, since it is smaller than the sum of its proper divisors (28634636820).

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

19464576972 is a wasteful number, since it uses less digits than its factorization.

19464576972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20378 (or 20376 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 60.

The spelling of 19464576972 in words is "nineteen billion, four hundred sixty-four million, five hundred seventy-six thousand, nine hundred seventy-two".