26254592513 has 2 divisors, whose sum is σ = 26254592514. Its totient is φ = 26254592512.

The previous prime is 26254592501. The next prime is 26254592537. The reversal of 26254592513 is 31529545262.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26251452529 + 3139984 = 162023^2 + 1772^2 .

It is a cyclic number.

It is not a de Polignac number, because 26254592513 - 2⁸ = 26254592257 is a prime.

It is not a weakly prime, because it can be changed into another prime (26254592593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13127296256 + 13127296257.

It is an arithmetic number, because the mean of its divisors is an integer number (13127296257).

Almost surely, 2^26254592513 is an apocalyptic number.

It is an amenable number.

26254592513 is a deficient number, since it is larger than the sum of its proper divisors (1).

26254592513 is an equidigital number, since it uses as much as digits as its factorization.

26254592513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 44.

The spelling of 26254592513 in words is "twenty-six billion, two hundred fifty-four million, five hundred ninety-two thousand, five hundred thirteen".