252643343346193 has 2 divisors, whose sum is σ = 252643343346194. Its totient is φ = 252643343346192.

The previous prime is 252643343346137. The next prime is 252643343346293. The reversal of 252643343346193 is 391643343346252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169203303105489 + 83440040240704 = 13007817^2 + 9134552^2 .

It is a cyclic number.

It is not a de Polignac number, because 252643343346193 - 2²⁹ = 252642806475281 is a prime.

It is not a weakly prime, because it can be changed into another prime (252643343346113) 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, 126321671673096 + 126321671673097.

It is an arithmetic number, because the mean of its divisors is an integer number (126321671673097).

Almost surely, 2^{252643343346193} is an apocalyptic number.

It is an amenable number.

252643343346193 is a deficient number, since it is larger than the sum of its proper divisors (1).

252643343346193 is an equidigital number, since it uses as much as digits as its factorization.

252643343346193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100776960, while the sum is 58.

The spelling of 252643343346193 in words is "two hundred fifty-two trillion, six hundred forty-three billion, three hundred forty-three million, three hundred forty-six thousand, one hundred ninety-three".