18919545096 has 32 divisors (see below), whose sum is σ = 47363434560. Its totient is φ = 6297905472.

The previous prime is 18919545059. The next prime is 18919545101. The reversal of 18919545096 is 69054591981.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520140 + ... + 555323.

It is an arithmetic number, because the mean of its divisors is an integer number (1480107330).

Almost surely, 2^18919545096 is an apocalyptic number.

It is an amenable number.

18919545096 is an abundant number, since it is smaller than the sum of its proper divisors (28443889464).

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

18919545096 is a wasteful number, since it uses less digits than its factorization.

18919545096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076205 (or 1076201 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 57.

The spelling of 18919545096 in words is "eighteen billion, nine hundred nineteen million, five hundred forty-five thousand, ninety-six".