26390735594513 has 2 divisors, whose sum is σ = 26390735594514. Its totient is φ = 26390735594512.

The previous prime is 26390735594467. The next prime is 26390735594539. The reversal of 26390735594513 is 31549553709362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13322850402304 + 13067885192209 = 3650048^2 + 3614953^2 .

It is a cyclic number.

It is not a de Polignac number, because 26390735594513 - 2⁶ = 26390735594449 is a prime.

It is not a weakly prime, because it can be changed into another prime (26390735594213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13195367797256 + 13195367797257.

It is an arithmetic number, because the mean of its divisors is an integer number (13195367797257).

Almost surely, 2^{26390735594513} is an apocalyptic number.

It is an amenable number.

26390735594513 is a deficient number, since it is larger than the sum of its proper divisors (1).

26390735594513 is an equidigital number, since it uses as much as digits as its factorization.

26390735594513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854000, while the sum is 62.

The spelling of 26390735594513 in words is "twenty-six trillion, three hundred ninety billion, seven hundred thirty-five million, five hundred ninety-four thousand, five hundred thirteen".