19383902100 has 144 divisors (see below), whose sum is σ = 63835914240. Its totient is φ = 5042937600.

The previous prime is 19383902051. The next prime is 19383902137. The reversal of 19383902100 is 120938391.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23149 + ... + 198251.

It is an arithmetic number, because the mean of its divisors is an integer number (443304960).

Almost surely, 2^19383902100 is an apocalyptic number.

19383902100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19383902100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31917957120).

19383902100 is an abundant number, since it is smaller than the sum of its proper divisors (44452012140).

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

19383902100 is a wasteful number, since it uses less digits than its factorization.

19383902100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175167 (or 175154 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 19383902100 in words is "nineteen billion, three hundred eighty-three million, nine hundred two thousand, one hundred".