26830862635457 has 2 divisors, whose sum is σ = 26830862635458. Its totient is φ = 26830862635456.

The previous prime is 26830862635319. The next prime is 26830862635463. The reversal of 26830862635457 is 75453626803862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16145802657856 + 10685059977601 = 4018184^2 + 3268801^2 .

It is a cyclic number.

It is not a de Polignac number, because 26830862635457 - 2⁸ = 26830862635201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26830862635393 and 26830862635402.

It is not a weakly prime, because it can be changed into another prime (26830862635487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13415431317728 + 13415431317729.

It is an arithmetic number, because the mean of its divisors is an integer number (13415431317729).

Almost surely, 2^{26830862635457} is an apocalyptic number.

It is an amenable number.

26830862635457 is a deficient number, since it is larger than the sum of its proper divisors (1).

26830862635457 is an equidigital number, since it uses as much as digits as its factorization.

26830862635457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 348364800, while the sum is 65.

The spelling of 26830862635457 in words is "twenty-six trillion, eight hundred thirty billion, eight hundred sixty-two million, six hundred thirty-five thousand, four hundred fifty-seven".