18373710498 has 128 divisors (see below), whose sum is σ = 44442639360. Its totient is φ = 4990375680.

The previous prime is 18373710493. The next prime is 18373710529. The reversal of 18373710498 is 89401737381.

It is a self number, because there is not a number n which added to its sum of digits gives 18373710498.

It is not an unprimeable number, because it can be changed into a prime (18373710491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4199440 + ... + 4203812.

It is an arithmetic number, because the mean of its divisors is an integer number (347208120).

Almost surely, 2^18373710498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18373710498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22221319680).

18373710498 is an abundant number, since it is smaller than the sum of its proper divisors (26068928862).

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

18373710498 is a wasteful number, since it uses less digits than its factorization.

18373710498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 18373710498 in words is "eighteen billion, three hundred seventy-three million, seven hundred ten thousand, four hundred ninety-eight".