263505214319 has 2 divisors, whose sum is σ = 263505214320. Its totient is φ = 263505214318.

The previous prime is 263505214303. The next prime is 263505214331. The reversal of 263505214319 is 913412505362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263505214319 - 2⁴ = 263505214303 is a prime.

It is a super-2 number, since 2×263505214319² (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 (263505214369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131752607159 + 131752607160.

It is an arithmetic number, because the mean of its divisors is an integer number (131752607160).

Almost surely, 2^263505214319 is an apocalyptic number.

263505214319 is a deficient number, since it is larger than the sum of its proper divisors (1).

263505214319 is an equidigital number, since it uses as much as digits as its factorization.

263505214319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 263505214319 in words is "two hundred sixty-three billion, five hundred five million, two hundred fourteen thousand, three hundred nineteen".