263313863047 has 2 divisors, whose sum is σ = 263313863048. Its totient is φ = 263313863046.

The previous prime is 263313863009. The next prime is 263313863053. The reversal of 263313863047 is 740368313362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263313863047 - 2³¹ = 261166379399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263313862988 and 263313863006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263313863077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131656931523 + 131656931524.

It is an arithmetic number, because the mean of its divisors is an integer number (131656931524).

Almost surely, 2^263313863047 is an apocalyptic number.

263313863047 is a deficient number, since it is larger than the sum of its proper divisors (1).

263313863047 is an equidigital number, since it uses as much as digits as its factorization.

263313863047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 46.

The spelling of 263313863047 in words is "two hundred sixty-three billion, three hundred thirteen million, eight hundred sixty-three thousand, forty-seven".