198013562409599 has 8 divisors (see below), whose sum is σ = 200164928291328. Its totient is φ = 195871449715200.

The previous prime is 198013562409589. The next prime is 198013562409613. The reversal of 198013562409599 is 995904265310891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 198013562409599 - 2⁴ = 198013562409583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198013562409569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2313253802 + ... + 2313339399.

It is an arithmetic number, because the mean of its divisors is an integer number (25020616036416).

Almost surely, 2^{198013562409599} is an apocalyptic number.

198013562409599 is a deficient number, since it is larger than the sum of its proper divisors (2151365881729).

198013562409599 is a wasteful number, since it uses less digits than its factorization.

198013562409599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626593665.

The product of its (nonzero) digits is 188956800, while the sum is 71.

The spelling of 198013562409599 in words is "one hundred ninety-eight trillion, thirteen billion, five hundred sixty-two million, four hundred nine thousand, five hundred ninety-nine".