202252344491 has 2 divisors, whose sum is σ = 202252344492. Its totient is φ = 202252344490.

The previous prime is 202252344391. The next prime is 202252344521. The reversal of 202252344491 is 194443252202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202252344491 is a prime.

It is a super-2 number, since 2×202252344491² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202252344391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101126172245 + 101126172246.

It is an arithmetic number, because the mean of its divisors is an integer number (101126172246).

Almost surely, 2^202252344491 is an apocalyptic number.

202252344491 is a deficient number, since it is larger than the sum of its proper divisors (1).

202252344491 is an equidigital number, since it uses as much as digits as its factorization.

202252344491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 202252344491 its reverse (194443252202), we get a palindrome (396695596693).

The spelling of 202252344491 in words is "two hundred two billion, two hundred fifty-two million, three hundred forty-four thousand, four hundred ninety-one".