19243796875 has 28 divisors (see below), whose sum is σ = 24105941440. Its totient is φ = 15362100000.

The previous prime is 19243796863. The next prime is 19243796881. The reversal of 19243796875 is 57869734291.

It is not a de Polignac number, because 19243796875 - 2¹⁵ = 19243764107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 9483361 + ... + 9485389.

It is an arithmetic number, because the mean of its divisors is an integer number (860926480).

Almost surely, 2^19243796875 is an apocalyptic number.

19243796875 is a deficient number, since it is larger than the sum of its proper divisors (4862144565).

19243796875 is an frugal number, since it uses more digits than its factorization.

19243796875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666 (or 2641 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 61.

The spelling of 19243796875 in words is "nineteen billion, two hundred forty-three million, seven hundred ninety-six thousand, eight hundred seventy-five".