819901768048 has 20 divisors (see below), whose sum is σ = 1732974191928. Its totient is φ = 372682621760.

The previous prime is 819901768033. The next prime is 819901768079. The reversal of 819901768048 is 840867109918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2329266211 + ... + 2329266562.

Almost surely, 2^819901768048 is an apocalyptic number.

819901768048 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

819901768048 is an abundant number, since it is smaller than the sum of its proper divisors (913072423880).

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

819901768048 is a wasteful number, since it uses less digits than its factorization.

819901768048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658532792 (or 4658532786 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 61.

The spelling of 819901768048 in words is "eight hundred nineteen billion, nine hundred one million, seven hundred sixty-eight thousand, forty-eight".