19605519107344 has 15 divisors (see below), whose sum is σ = 37985727586053. Its totient is φ = 9802750698048.

The previous prime is 19605519107309. The next prime is 19605519107387. The reversal of 19605519107344 is 44370191550691.

The square root of 19605519107344 is 4427812.

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., 18997568304400 + 607950802944 = 4358620^2 + 779712^2 .

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 2 ways as a sum of consecutive naturals, for example, 17157772 + ... + 18264724.

Almost surely, 2^{19605519107344} is an apocalyptic number.

19605519107344 is the 4427812-nd square number.

It is an amenable number.

19605519107344 is a deficient number, since it is larger than the sum of its proper divisors (18380208478709).

19605519107344 is an frugal number, since it uses more digits than its factorization.

19605519107344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213914 (or 1106955 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 19605519107344 in words is "nineteen trillion, six hundred five billion, five hundred nineteen million, one hundred seven thousand, three hundred forty-four".