19225615496 has 16 divisors (see below), whose sum is σ = 36055043340. Its totient is φ = 9610937280.

The previous prime is 19225615477. The next prime is 19225615499. The reversal of 19225615496 is 69451652291.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18733396900 + 492218596 = 136870^2 + 22186^2 .

It is not an unprimeable number, because it can be changed into a prime (19225615499) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 189635 + ... + 272786.

Almost surely, 2^19225615496 is an apocalyptic number.

It is an amenable number.

19225615496 is a deficient number, since it is larger than the sum of its proper divisors (16829427844).

19225615496 is a wasteful number, since it uses less digits than its factorization.

19225615496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467624 (or 467620 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 50.

The spelling of 19225615496 in words is "nineteen billion, two hundred twenty-five million, six hundred fifteen thousand, four hundred ninety-six".