263237442127447 has 2 divisors, whose sum is σ = 263237442127448. Its totient is φ = 263237442127446.

The previous prime is 263237442127409. The next prime is 263237442127453. The reversal of 263237442127447 is 744721244732362.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263237442127447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263237442127391 and 263237442127400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263237442121447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131618721063723 + 131618721063724.

It is an arithmetic number, because the mean of its divisors is an integer number (131618721063724).

Almost surely, 2^{263237442127447} is an apocalyptic number.

263237442127447 is a deficient number, since it is larger than the sum of its proper divisors (1).

263237442127447 is an equidigital number, since it uses as much as digits as its factorization.

263237442127447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75866112, while the sum is 58.

The spelling of 263237442127447 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 forty-seven".