198727563013 has 4 divisors (see below), whose sum is σ = 227117214880. Its totient is φ = 170337911148.

The previous prime is 198727562981. The next prime is 198727563017. The reversal of 198727563013 is 310365727891.

198727563013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 198727563013 - 2⁵ = 198727562981 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 (198727563017) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14194825923 + ... + 14194825936.

It is an arithmetic number, because the mean of its divisors is an integer number (56779303720).

Almost surely, 2^198727563013 is an apocalyptic number.

It is an amenable number.

198727563013 is a deficient number, since it is larger than the sum of its proper divisors (28389651867).

198727563013 is an equidigital number, since it uses as much as digits as its factorization.

198727563013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28389651866.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 198727563013 in words is "one hundred ninety-eight billion, seven hundred twenty-seven million, five hundred sixty-three thousand, thirteen".