263620460863 has 2 divisors, whose sum is σ = 263620460864. Its totient is φ = 263620460862.

The previous prime is 263620460837. The next prime is 263620460893. The reversal of 263620460863 is 368064026362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 263620460863 - 2³⁷ = 126181507391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263620460893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131810230431 + 131810230432.

It is an arithmetic number, because the mean of its divisors is an integer number (131810230432).

Almost surely, 2^263620460863 is an apocalyptic number.

263620460863 is a deficient number, since it is larger than the sum of its proper divisors (1).

263620460863 is an equidigital number, since it uses as much as digits as its factorization.

263620460863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 263620460863 in words is "two hundred sixty-three billion, six hundred twenty million, four hundred sixty thousand, eight hundred sixty-three".