18648945098 has 8 divisors (see below), whose sum is σ = 31969620192. Its totient is φ = 7992405036.

The previous prime is 18648945047. The next prime is 18648945131. The reversal of 18648945098 is 89054984681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 18648945098.

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, 666033740 + ... + 666033767.

It is an arithmetic number, because the mean of its divisors is an integer number (3996202524).

Almost surely, 2^18648945098 is an apocalyptic number.

18648945098 is a deficient number, since it is larger than the sum of its proper divisors (13320675094).

18648945098 is a wasteful number, since it uses less digits than its factorization.

18648945098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332067516.

The product of its (nonzero) digits is 19906560, while the sum is 62.

The spelling of 18648945098 in words is "eighteen billion, six hundred forty-eight million, nine hundred forty-five thousand, ninety-eight".