263250645607 has 2 divisors, whose sum is σ = 263250645608. Its totient is φ = 263250645606.

The previous prime is 263250645551. The next prime is 263250645613. The reversal of 263250645607 is 706546052362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263250645607 - 2¹⁹ = 263250121319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263250645667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131625322803 + 131625322804.

It is an arithmetic number, because the mean of its divisors is an integer number (131625322804).

Almost surely, 2^263250645607 is an apocalyptic number.

263250645607 is a deficient number, since it is larger than the sum of its proper divisors (1).

263250645607 is an equidigital number, since it uses as much as digits as its factorization.

263250645607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 46.

Adding to 263250645607 its reverse (706546052362), we get a palindrome (969796697969).

The spelling of 263250645607 in words is "two hundred sixty-three billion, two hundred fifty million, six hundred forty-five thousand, six hundred seven".