26468922317 has 2 divisors, whose sum is σ = 26468922318. Its totient is φ = 26468922316.

The previous prime is 26468922313. The next prime is 26468922329. The reversal of 26468922317 is 71322986462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19163972356 + 7304949961 = 138434^2 + 85469^2 .

It is a cyclic number.

It is not a de Polignac number, because 26468922317 - 2² = 26468922313 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26468922313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13234461158 + 13234461159.

It is an arithmetic number, because the mean of its divisors is an integer number (13234461159).

Almost surely, 2^26468922317 is an apocalyptic number.

It is an amenable number.

26468922317 is a deficient number, since it is larger than the sum of its proper divisors (1).

26468922317 is an equidigital number, since it uses as much as digits as its factorization.

26468922317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 50.

The spelling of 26468922317 in words is "twenty-six billion, four hundred sixty-eight million, nine hundred twenty-two thousand, three hundred seventeen".