198481972234 has 16 divisors (see below), whose sum is σ = 366428256768. Its totient is φ = 78520340592.

The previous prime is 198481972223. The next prime is 198481972243. The reversal of 198481972234 is 432279184891.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545279962 + ... + 545280325.

It is an arithmetic number, because the mean of its divisors is an integer number (22901766048).

Almost surely, 2^198481972234 is an apocalyptic number.

198481972234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

198481972234 is a deficient number, since it is larger than the sum of its proper divisors (167946284534).

198481972234 is a wasteful number, since it uses less digits than its factorization.

198481972234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090560309.

The product of its digits is 6967296, while the sum is 58.

The spelling of 198481972234 in words is "one hundred ninety-eight billion, four hundred eighty-one million, nine hundred seventy-two thousand, two hundred thirty-four".