263088784313863 has 2 divisors, whose sum is σ = 263088784313864. Its totient is φ = 263088784313862.

The previous prime is 263088784313723. The next prime is 263088784313899. The reversal of 263088784313863 is 368313487880362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263088784313863 - 2³³ = 263080194379271 is a prime.

It is a super-2 number, since 2×263088784313863² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 263088784313792 and 263088784313801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263088784323863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131544392156931 + 131544392156932.

It is an arithmetic number, because the mean of its divisors is an integer number (131544392156932).

Almost surely, 2^{263088784313863} is an apocalyptic number.

263088784313863 is a deficient number, since it is larger than the sum of its proper divisors (1).

263088784313863 is an equidigital number, since it uses as much as digits as its factorization.

263088784313863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 668860416, while the sum is 70.

The spelling of 263088784313863 in words is "two hundred sixty-three trillion, eighty-eight billion, seven hundred eighty-four million, three hundred thirteen thousand, eight hundred sixty-three".