819147923010 has 48 divisors (see below), whose sum is σ = 2130532297920. Its totient is φ = 218362759200.

The previous prime is 819147922993. The next prime is 819147923021. The reversal of 819147923010 is 10329741918.

819147923010 is a `hidden beast` number, since 81 + 91 + 479 + 2 + 3 + 0 + 10 = 666.

819147923010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1339630 + ... + 1852809.

It is an arithmetic number, because the mean of its divisors is an integer number (44386089540).

Almost surely, 2^819147923010 is an apocalyptic number.

819147923010 is an abundant number, since it is smaller than the sum of its proper divisors (1311384374910).

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

819147923010 is a wasteful number, since it uses less digits than its factorization.

819147923010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195303 (or 3195300 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 819147923010 in words is "eight hundred nineteen billion, one hundred forty-seven million, nine hundred twenty-three thousand, ten".