18770672298 has 128 divisors (see below), whose sum is σ = 48512286720. Its totient is φ = 4716149760.

The previous prime is 18770672293. The next prime is 18770672303. The reversal of 18770672298 is 89227607781.

It is an interprime number because it is at equal distance from previous prime (18770672293) and next prime (18770672303).

It is not an unprimeable number, because it can be changed into a prime (18770672293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 627265 + ... + 656507.

It is an arithmetic number, because the mean of its divisors is an integer number (379002240).

Almost surely, 2^18770672298 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18770672298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24256143360).

18770672298 is an abundant number, since it is smaller than the sum of its proper divisors (29741614422).

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

18770672298 is a wasteful number, since it uses less digits than its factorization.

18770672298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29332.

The product of its (nonzero) digits is 4741632, while the sum is 57.

The spelling of 18770672298 in words is "eighteen billion, seven hundred seventy million, six hundred seventy-two thousand, two hundred ninety-eight".