202252344391 has 2 divisors, whose sum is σ = 202252344392. Its totient is φ = 202252344390.

The previous prime is 202252344367. The next prime is 202252344491. The reversal of 202252344391 is 193443252202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202252344391 - 2⁷ = 202252344263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202252344391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202252344491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101126172195 + 101126172196.

It is an arithmetic number, because the mean of its divisors is an integer number (101126172196).

Almost surely, 2^202252344391 is an apocalyptic number.

202252344391 is a deficient number, since it is larger than the sum of its proper divisors (1).

202252344391 is an equidigital number, since it uses as much as digits as its factorization.

202252344391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 202252344391 its reverse (193443252202), we get a palindrome (395695596593).

The spelling of 202252344391 in words is "two hundred two billion, two hundred fifty-two million, three hundred forty-four thousand, three hundred ninety-one".