19496255172 has 24 divisors (see below), whose sum is σ = 45494267616. Its totient is φ = 6498322368.

The previous prime is 19496255131. The next prime is 19496255173. The reversal of 19496255172 is 27155269491.

It is not an unprimeable number, because it can be changed into a prime (19496255173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174243 + ... + 263349.

It is an arithmetic number, because the mean of its divisors is an integer number (1895594484).

Almost surely, 2^19496255172 is an apocalyptic number.

19496255172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19496255172 is an abundant number, since it is smaller than the sum of its proper divisors (25998012444).

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

19496255172 is a wasteful number, since it uses less digits than its factorization.

19496255172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107347 (or 107345 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 51.

The spelling of 19496255172 in words is "nineteen billion, four hundred ninety-six million, two hundred fifty-five thousand, one hundred seventy-two".