26328714917 has 2 divisors, whose sum is σ = 26328714918. Its totient is φ = 26328714916.

The previous prime is 26328714899. The next prime is 26328714943. The reversal of 26328714917 is 71941782362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20551802881 + 5776912036 = 143359^2 + 76006^2 .

It is a cyclic number.

It is not a de Polignac number, because 26328714917 - 2¹⁴ = 26328698533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26328714617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13164357458 + 13164357459.

It is an arithmetic number, because the mean of its divisors is an integer number (13164357459).

Almost surely, 2^26328714917 is an apocalyptic number.

It is an amenable number.

26328714917 is a deficient number, since it is larger than the sum of its proper divisors (1).

26328714917 is an equidigital number, since it uses as much as digits as its factorization.

26328714917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 50.

The spelling of 26328714917 in words is "twenty-six billion, three hundred twenty-eight million, seven hundred fourteen thousand, nine hundred seventeen".