18955847298 has 16 divisors (see below), whose sum is σ = 38477541600. Its totient is φ = 6224307936.

The previous prime is 18955847269. The next prime is 18955847311. The reversal of 18955847298 is 89274855981.

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, 23576523 + ... + 23577326.

It is an arithmetic number, because the mean of its divisors is an integer number (2404846350).

Almost surely, 2^18955847298 is an apocalyptic number.

18955847298 is an abundant number, since it is smaller than the sum of its proper divisors (19521694302).

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

18955847298 is a wasteful number, since it uses less digits than its factorization.

18955847298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47153921.

The product of its digits is 58060800, while the sum is 66.

The spelling of 18955847298 in words is "eighteen billion, nine hundred fifty-five million, eight hundred forty-seven thousand, two hundred ninety-eight".