198265730015233 has 4 divisors (see below), whose sum is σ = 198315037587028. Its totient is φ = 198216422443440.

The previous prime is 198265730015203. The next prime is 198265730015257. The reversal of 198265730015233 is 332510037562891.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4083260821264 + 194182469193969 = 2020708^2 + 13934937^2 .

It is a cyclic number.

It is not a de Polignac number, because 198265730015233 - 2¹³ = 198265730007041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198265730015203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24653779866 + ... + 24653787907.

It is an arithmetic number, because the mean of its divisors is an integer number (49578759396757).

Almost surely, 2^{198265730015233} is an apocalyptic number.

It is an amenable number.

198265730015233 is a deficient number, since it is larger than the sum of its proper divisors (49307571795).

198265730015233 is an equidigital number, since it uses as much as digits as its factorization.

198265730015233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49307571794.

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 198265730015233 in words is "one hundred ninety-eight trillion, two hundred sixty-five billion, seven hundred thirty million, fifteen thousand, two hundred thirty-three".