819374059500 has 96 divisors (see below), whose sum is σ = 2511597204480. Its totient is φ = 206999755200.

The previous prime is 819374059489. The next prime is 819374059501. The reversal of 819374059500 is 5950473918.

It is not an unprimeable number, because it can be changed into a prime (819374059501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14346484 + ... + 14403483.

It is an arithmetic number, because the mean of its divisors is an integer number (26162470880).

Almost surely, 2^819374059500 is an apocalyptic number.

It is an amenable number.

819374059500 is an abundant number, since it is smaller than the sum of its proper divisors (1692223144980).

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

819374059500 is a wasteful number, since it uses less digits than its factorization.

819374059500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28750008 (or 28749996 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 51.

The spelling of 819374059500 in words is "eight hundred nineteen billion, three hundred seventy-four million, fifty-nine thousand, five hundred".