19401704100 has 81 divisors (see below), whose sum is σ = 60826664353. Its totient is φ = 5172673440.

The previous prime is 19401704083. The next prime is 19401704129. The reversal of 19401704100 is 140710491.

The square root of 19401704100 is 139290.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6984613476 + 12417090624 = 83574^2 + 111432^2 .

It is a super-2 number, since 2×19401704100² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 4176379 + ... + 4181021.

Almost surely, 2^19401704100 is an apocalyptic number.

19401704100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19401704100 is the 139290-th square number.

It is an amenable number.

19401704100 is an abundant number, since it is smaller than the sum of its proper divisors (41424960253).

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

19401704100 is an equidigital number, since it uses as much as digits as its factorization.

19401704100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9306 (or 4653 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The spelling of 19401704100 in words is "nineteen billion, four hundred one million, seven hundred four thousand, one hundred".