268674630559 has 2 divisors, whose sum is σ = 268674630560. Its totient is φ = 268674630558.

The previous prime is 268674630517. The next prime is 268674630563. The reversal of 268674630559 is 955036476862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268674630559 - 2¹⁵ = 268674597791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268674630497 and 268674630506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268674630569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134337315279 + 134337315280.

It is an arithmetic number, because the mean of its divisors is an integer number (134337315280).

Almost surely, 2^268674630559 is an apocalyptic number.

268674630559 is a deficient number, since it is larger than the sum of its proper divisors (1).

268674630559 is an equidigital number, since it uses as much as digits as its factorization.

268674630559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65318400, while the sum is 61.

The spelling of 268674630559 in words is "two hundred sixty-eight billion, six hundred seventy-four million, six hundred thirty thousand, five hundred fifty-nine".