263632441456259 has 2 divisors, whose sum is σ = 263632441456260. Its totient is φ = 263632441456258.

The previous prime is 263632441456231. The next prime is 263632441456261. The reversal of 263632441456259 is 952654144236362.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263632441456259 is a prime.

It is a super-2 number, since 2×263632441456259² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 263632441456261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (263632441456159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131816220728129 + 131816220728130.

It is an arithmetic number, because the mean of its divisors is an integer number (131816220728130).

Almost surely, 2^{263632441456259} is an apocalyptic number.

263632441456259 is a deficient number, since it is larger than the sum of its proper divisors (1).

263632441456259 is an equidigital number, since it uses as much as digits as its factorization.

263632441456259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 223948800, while the sum is 62.

The spelling of 263632441456259 in words is "two hundred sixty-three trillion, six hundred thirty-two billion, four hundred forty-one million, four hundred fifty-six thousand, two hundred fifty-nine".