198539583707 has 2 divisors, whose sum is σ = 198539583708. Its totient is φ = 198539583706.

The previous prime is 198539583701. The next prime is 198539583709. The reversal of 198539583707 is 707385935891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 198539583707 - 2²⁴ = 198522806491 is a prime.

Together with 198539583709, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (198539583701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99269791853 + 99269791854.

It is an arithmetic number, because the mean of its divisors is an integer number (99269791854).

Almost surely, 2^198539583707 is an apocalyptic number.

198539583707 is a deficient number, since it is larger than the sum of its proper divisors (1).

198539583707 is an equidigital number, since it uses as much as digits as its factorization.

198539583707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57153600, while the sum is 65.

The spelling of 198539583707 in words is "one hundred ninety-eight billion, five hundred thirty-nine million, five hundred eighty-three thousand, seven hundred seven".