263237442127453 has 2 divisors, whose sum is σ = 263237442127454. Its totient is φ = 263237442127452.

The previous prime is 263237442127447. The next prime is 263237442127501. The reversal of 263237442127453 is 354721244732362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253009329875289 + 10228112252164 = 15906267^2 + 3198142^2 .

It is a cyclic number.

It is not a de Polignac number, because 263237442127453 - 2²⁹ = 263236905256541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263237442127394 and 263237442127403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263237442157453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131618721063726 + 131618721063727.

It is an arithmetic number, because the mean of its divisors is an integer number (131618721063727).

Almost surely, 2^{263237442127453} is an apocalyptic number.

It is an amenable number.

263237442127453 is a deficient number, since it is larger than the sum of its proper divisors (1).

263237442127453 is an equidigital number, since it uses as much as digits as its factorization.

263237442127453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40642560, while the sum is 55.

The spelling of 263237442127453 in words is "two hundred sixty-three trillion, two hundred thirty-seven billion, four hundred forty-two million, one hundred twenty-seven thousand, four hundred fifty-three".