26925317659 has 2 divisors, whose sum is σ = 26925317660. Its totient is φ = 26925317658.

The previous prime is 26925317581. The next prime is 26925317663. The reversal of 26925317659 is 95671352962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26925317659 - 2¹⁵ = 26925284891 is a prime.

It is not a weakly prime, because it can be changed into another prime (26925317959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13462658829 + 13462658830.

It is an arithmetic number, because the mean of its divisors is an integer number (13462658830).

Almost surely, 2^26925317659 is an apocalyptic number.

26925317659 is a deficient number, since it is larger than the sum of its proper divisors (1).

26925317659 is an equidigital number, since it uses as much as digits as its factorization.

26925317659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6123600, while the sum is 55.

The spelling of 26925317659 in words is "twenty-six billion, nine hundred twenty-five million, three hundred seventeen thousand, six hundred fifty-nine".