202198115839 has 2 divisors, whose sum is σ = 202198115840. Its totient is φ = 202198115838.

The previous prime is 202198115789. The next prime is 202198115849. The reversal of 202198115839 is 938511891202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202198115839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202198115792 and 202198115801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202198115849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101099057919 + 101099057920.

It is an arithmetic number, because the mean of its divisors is an integer number (101099057920).

Almost surely, 2^202198115839 is an apocalyptic number.

202198115839 is a deficient number, since it is larger than the sum of its proper divisors (1).

202198115839 is an equidigital number, since it uses as much as digits as its factorization.

202198115839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 49.

The spelling of 202198115839 in words is "two hundred two billion, one hundred ninety-eight million, one hundred fifteen thousand, eight hundred thirty-nine".