18442507098 has 8 divisors (see below), whose sum is σ = 36885014208. Its totient is φ = 6147502364.

The previous prime is 18442507093. The next prime is 18442507099. The reversal of 18442507098 is 89070524481.

It is a happy number.

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

18442507098 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (18442507093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1536875586 + ... + 1536875597.

It is an arithmetic number, because the mean of its divisors is an integer number (4610626776).

Almost surely, 2^18442507098 is an apocalyptic number.

18442507098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18442507098 is a wasteful number, since it uses less digits than its factorization.

18442507098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073751188.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 18442507098 in words is "eighteen billion, four hundred forty-two million, five hundred seven thousand, ninety-eight".