819080099901 has 24 divisors (see below), whose sum is σ = 1356028899264. Its totient is φ = 466696923840.

The previous prime is 819080099869. The next prime is 819080099909. The reversal of 819080099901 is 109990080918.

It is not a de Polignac number, because 819080099901 - 2⁵ = 819080099869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (819080099909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18711960 + ... + 18755681.

It is an arithmetic number, because the mean of its divisors is an integer number (56501204136).

Almost surely, 2^819080099901 is an apocalyptic number.

It is an amenable number.

819080099901 is a deficient number, since it is larger than the sum of its proper divisors (536948799363).

819080099901 is a wasteful number, since it uses less digits than its factorization.

819080099901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37468001 (or 37467998 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 54.

The spelling of 819080099901 in words is "eight hundred nineteen billion, eighty million, ninety-nine thousand, nine hundred one".