26274717263 has 2 divisors, whose sum is σ = 26274717264. Its totient is φ = 26274717262.

The previous prime is 26274717247. The next prime is 26274717289. The reversal of 26274717263 is 36271747262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26274717263 - 2⁴ = 26274717247 is a prime.

It is a super-2 number, since 2×26274717263² (a number of 22 digits) contains 22 as substring.

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 (26274717223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13137358631 + 13137358632.

It is an arithmetic number, because the mean of its divisors is an integer number (13137358632).

Almost surely, 2^26274717263 is an apocalyptic number.

26274717263 is a deficient number, since it is larger than the sum of its proper divisors (1).

26274717263 is an equidigital number, since it uses as much as digits as its factorization.

26274717263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 47.

The spelling of 26274717263 in words is "twenty-six billion, two hundred seventy-four million, seven hundred seventeen thousand, two hundred sixty-three".