26540005632713 has 2 divisors, whose sum is σ = 26540005632714. Its totient is φ = 26540005632712.

The previous prime is 26540005632709. The next prime is 26540005632761. The reversal of 26540005632713 is 31723650004562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26507793639184 + 32211993529 = 5148572^2 + 179477^2 .

It is a cyclic number.

It is not a de Polignac number, because 26540005632713 - 2² = 26540005632709 is a prime.

It is not a weakly prime, because it can be changed into another prime (26540005632703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13270002816356 + 13270002816357.

It is an arithmetic number, because the mean of its divisors is an integer number (13270002816357).

Almost surely, 2^{26540005632713} is an apocalyptic number.

It is an amenable number.

26540005632713 is a deficient number, since it is larger than the sum of its proper divisors (1).

26540005632713 is an equidigital number, since it uses as much as digits as its factorization.

26540005632713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 26540005632713 in words is "twenty-six trillion, five hundred forty billion, five million, six hundred thirty-two thousand, seven hundred thirteen".