19079896900 has 81 divisors (see below), whose sum is σ = 43757380989. Its totient is φ = 7220331360.

The previous prime is 19079896889. The next prime is 19079896903. The reversal of 19079896900 is 969897091.

The square root of 19079896900 is 138130.

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., 6868762884 + 12211134016 = 82878^2 + 110504^2 .

It is a super-2 number, since 2×19079896900² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19079896903) by changing a digit.

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, 26244337 + ... + 26245063.

Almost surely, 2^19079896900 is an apocalyptic number.

19079896900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19079896900 is the 138130-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19079896900

19079896900 is an abundant number, since it is smaller than the sum of its proper divisors (24677484089).

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

19079896900 is an equidigital number, since it uses as much as digits as its factorization.

19079896900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 58.

The spelling of 19079896900 in words is "nineteen billion, seventy-nine million, eight hundred ninety-six thousand, nine hundred".