26252867404789 has 2 divisors, whose sum is σ = 26252867404790. Its totient is φ = 26252867404788.

The previous prime is 26252867404741. The next prime is 26252867404801. The reversal of 26252867404789 is 98740476825262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25991306759889 + 261560644900 = 5098167^2 + 511430^2 .

It is a cyclic number.

It is not a de Polignac number, because 26252867404789 - 2⁷ = 26252867404661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26252867204789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13126433702394 + 13126433702395.

It is an arithmetic number, because the mean of its divisors is an integer number (13126433702395).

Almost surely, 2^{26252867404789} is an apocalyptic number.

It is an amenable number.

26252867404789 is a deficient number, since it is larger than the sum of its proper divisors (1).

26252867404789 is an equidigital number, since it uses as much as digits as its factorization.

26252867404789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 650280960, while the sum is 70.

The spelling of 26252867404789 in words is "twenty-six trillion, two hundred fifty-two billion, eight hundred sixty-seven million, four hundred four thousand, seven hundred eighty-nine".