2198553643194 has 32 divisors (see below), whose sum is σ = 4416922414080. Its totient is φ = 729555790512.

The previous prime is 2198553643177. The next prime is 2198553643219. The reversal of 2198553643194 is 4913463558912.

It is a happy number.

It is a super-2 number, since 2×2198553643194² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353017 + ... + 2126435.

It is an arithmetic number, because the mean of its divisors is an integer number (138028825440).

Almost surely, 2^{2198553643194} is an apocalyptic number.

2198553643194 is an abundant number, since it is smaller than the sum of its proper divisors (2218368770886).

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

2198553643194 is a wasteful number, since it uses less digits than its factorization.

2198553643194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774354.

The product of its digits is 27993600, while the sum is 60.

The spelling of 2198553643194 in words is "two trillion, one hundred ninety-eight billion, five hundred fifty-three million, six hundred forty-three thousand, one hundred ninety-four".