202198115849 has 2 divisors, whose sum is σ = 202198115850. Its totient is φ = 202198115848.

The previous prime is 202198115839. The next prime is 202198115857. The reversal of 202198115849 is 948511891202.

202198115849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103325602249 + 98872513600 = 321443^2 + 314440^2 .

It is a cyclic number.

It is not a de Polignac number, because 202198115849 - 2²⁴ = 202181338633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202198115797 and 202198115806.

It is not a weakly prime, because it can be changed into another prime (202198115839) 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 as a sum of consecutive naturals, namely, 101099057924 + 101099057925.

It is an arithmetic number, because the mean of its divisors is an integer number (101099057925).

Almost surely, 2^202198115849 is an apocalyptic number.

It is an amenable number.

202198115849 is a deficient number, since it is larger than the sum of its proper divisors (1).

202198115849 is an equidigital number, since it uses as much as digits as its factorization.

202198115849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 50.

The spelling of 202198115849 in words is "two hundred two billion, one hundred ninety-eight million, one hundred fifteen thousand, eight hundred forty-nine".