263325523319 has 2 divisors, whose sum is σ = 263325523320. Its totient is φ = 263325523318.

The previous prime is 263325523283. The next prime is 263325523379. The reversal of 263325523319 is 913325523362.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263325523319 is a prime.

It is a super-2 number, since 2×263325523319² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 263325523319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263325523379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131662761659 + 131662761660.

It is an arithmetic number, because the mean of its divisors is an integer number (131662761660).

Almost surely, 2^263325523319 is an apocalyptic number.

263325523319 is a deficient number, since it is larger than the sum of its proper divisors (1).

263325523319 is an equidigital number, since it uses as much as digits as its factorization.

263325523319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 874800, while the sum is 44.

The spelling of 263325523319 in words is "two hundred sixty-three billion, three hundred twenty-five million, five hundred twenty-three thousand, three hundred nineteen".