263994888959 has 2 divisors, whose sum is σ = 263994888960. Its totient is φ = 263994888958.

The previous prime is 263994888953. The next prime is 263994889001. The reversal of 263994888959 is 959888499362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 263994888959 - 2¹² = 263994884863 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263994888953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131997444479 + 131997444480.

It is an arithmetic number, because the mean of its divisors is an integer number (131997444480).

Almost surely, 2^263994888959 is an apocalyptic number.

263994888959 is a deficient number, since it is larger than the sum of its proper divisors (1).

263994888959 is an equidigital number, since it uses as much as digits as its factorization.

263994888959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2418647040, while the sum is 80.

The spelling of 263994888959 in words is "two hundred sixty-three billion, nine hundred ninety-four million, eight hundred eighty-eight thousand, nine hundred fifty-nine".