26396034361 has 2 divisors, whose sum is σ = 26396034362. Its totient is φ = 26396034360.

The previous prime is 26396034323. The next prime is 26396034517. The reversal of 26396034361 is 16343069362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24074625600 + 2321408761 = 155160^2 + 48181^2 .

It is a cyclic number.

It is not a de Polignac number, because 26396034361 - 2⁹ = 26396033849 is a prime.

It is not a weakly prime, because it can be changed into another prime (26396034961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13198017180 + 13198017181.

It is an arithmetic number, because the mean of its divisors is an integer number (13198017181).

Almost surely, 2^26396034361 is an apocalyptic number.

It is an amenable number.

26396034361 is a deficient number, since it is larger than the sum of its proper divisors (1).

26396034361 is an equidigital number, since it uses as much as digits as its factorization.

26396034361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 43.

The spelling of 26396034361 in words is "twenty-six billion, three hundred ninety-six million, thirty-four thousand, three hundred sixty-one".