198101643729234 has 64 divisors (see below), whose sum is σ = 455252721401856. Its totient is φ = 56294816128704.

The previous prime is 198101643729229. The next prime is 198101643729257. The reversal of 198101643729234 is 432927346101891.

It is a super-2 number, since 2×198101643729234² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 451704 + ... + 19909980.

It is an arithmetic number, because the mean of its divisors is an integer number (7113323771904).

Almost surely, 2^{198101643729234} is an apocalyptic number.

198101643729234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

198101643729234 is an abundant number, since it is smaller than the sum of its proper divisors (257151077672622).

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

198101643729234 is a wasteful number, since it uses less digits than its factorization.

198101643729234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19459599.

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 198101643729234 in words is "one hundred ninety-eight trillion, one hundred one billion, six hundred forty-three million, seven hundred twenty-nine thousand, two hundred thirty-four".