252643343346293 has 2 divisors, whose sum is σ = 252643343346294. Its totient is φ = 252643343346292.

The previous prime is 252643343346193. The next prime is 252643343346301. The reversal of 252643343346293 is 392643343346252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146703402445924 + 105939940900369 = 12112118^2 + 10292713^2 .

It is a cyclic number.

It is not a de Polignac number, because 252643343346293 - 2³⁰ = 252642269604469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252643343346193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126321671673146 + 126321671673147.

It is an arithmetic number, because the mean of its divisors is an integer number (126321671673147).

Almost surely, 2^{252643343346293} is an apocalyptic number.

It is an amenable number.

252643343346293 is a deficient number, since it is larger than the sum of its proper divisors (1).

252643343346293 is an equidigital number, since it uses as much as digits as its factorization.

252643343346293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201553920, while the sum is 59.

The spelling of 252643343346293 in words is "two hundred fifty-two trillion, six hundred forty-three billion, three hundred forty-three million, three hundred forty-six thousand, two hundred ninety-three".