19338725900 has 72 divisors (see below), whose sum is σ = 45867845520. Its totient is φ = 7033847040.

The previous prime is 19338725899. The next prime is 19338725909. The reversal of 19338725900 is 952783391.

It is not an unprimeable number, because it can be changed into a prime (19338725909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23915 + ... + 198114.

It is an arithmetic number, because the mean of its divisors is an integer number (637053410).

Almost surely, 2^19338725900 is an apocalyptic number.

19338725900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19338725900 is an abundant number, since it is smaller than the sum of its proper divisors (26529119620).

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

19338725900 is a wasteful number, since it uses less digits than its factorization.

19338725900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222123 (or 222116 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 19338725900 in words is "nineteen billion, three hundred thirty-eight million, seven hundred twenty-five thousand, nine hundred".