26900898317 has 2 divisors, whose sum is σ = 26900898318. Its totient is φ = 26900898316.

The previous prime is 26900898289. The next prime is 26900898329. The reversal of 26900898317 is 71389800962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18070349476 + 8830548841 = 134426^2 + 93971^2 .

It is a cyclic number.

It is not a de Polignac number, because 26900898317 - 2⁸ = 26900898061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26900898337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13450449158 + 13450449159.

It is an arithmetic number, because the mean of its divisors is an integer number (13450449159).

Almost surely, 2^26900898317 is an apocalyptic number.

It is an amenable number.

26900898317 is a deficient number, since it is larger than the sum of its proper divisors (1).

26900898317 is an equidigital number, since it uses as much as digits as its factorization.

26900898317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 26900898317 in words is "twenty-six billion, nine hundred million, eight hundred ninety-eight thousand, three hundred seventeen".