198733608913 has 48 divisors (see below), whose sum is σ = 263947118400. Its totient is φ = 148179870720.

The previous prime is 198733608911. The next prime is 198733608917. The reversal of 198733608913 is 319806337891.

It is a happy number.

It is not a de Polignac number, because 198733608913 - 2¹ = 198733608911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198733608911) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 495778 + ... + 802036.

It is an arithmetic number, because the mean of its divisors is an integer number (5498898300).

Almost surely, 2^198733608913 is an apocalyptic number.

It is an amenable number.

198733608913 is a deficient number, since it is larger than the sum of its proper divisors (65213509487).

198733608913 is a wasteful number, since it uses less digits than its factorization.

198733608913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306350 (or 306343 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 198733608913 in words is "one hundred ninety-eight billion, seven hundred thirty-three million, six hundred eight thousand, nine hundred thirteen".