263250645667 has 2 divisors, whose sum is σ = 263250645668. Its totient is φ = 263250645666.

The previous prime is 263250645653. The next prime is 263250645731. The reversal of 263250645667 is 766546052362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 263250645667 - 2²³ = 263242257059 is a prime.

It is not a weakly prime, because it can be changed into another prime (263250645607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131625322833 + 131625322834.

It is an arithmetic number, because the mean of its divisors is an integer number (131625322834).

Almost surely, 2^263250645667 is an apocalyptic number.

263250645667 is a deficient number, since it is larger than the sum of its proper divisors (1).

263250645667 is an equidigital number, since it uses as much as digits as its factorization.

263250645667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 52.

The spelling of 263250645667 in words is "two hundred sixty-three billion, two hundred fifty million, six hundred forty-five thousand, six hundred sixty-seven".