265828964263 has 2 divisors, whose sum is σ = 265828964264. Its totient is φ = 265828964262.

The previous prime is 265828964251. The next prime is 265828964273. The reversal of 265828964263 is 362469828562.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265828964263 is a prime.

It is a super-2 number, since 2×265828964263² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265828964213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132914482131 + 132914482132.

It is an arithmetic number, because the mean of its divisors is an integer number (132914482132).

Almost surely, 2^265828964263 is an apocalyptic number.

265828964263 is a deficient number, since it is larger than the sum of its proper divisors (1).

265828964263 is an equidigital number, since it uses as much as digits as its factorization.

265828964263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59719680, while the sum is 61.

The spelling of 265828964263 in words is "two hundred sixty-five billion, eight hundred twenty-eight million, nine hundred sixty-four thousand, two hundred sixty-three".