26734581793 has 2 divisors, whose sum is σ = 26734581794. Its totient is φ = 26734581792.

The previous prime is 26734581781. The next prime is 26734581827. The reversal of 26734581793 is 39718543762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16761963024 + 9972618769 = 129468^2 + 99863^2 .

It is a cyclic number.

It is not a de Polignac number, because 26734581793 - 2⁵ = 26734581761 is a prime.

It is not a weakly prime, because it can be changed into another prime (26734581493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13367290896 + 13367290897.

It is an arithmetic number, because the mean of its divisors is an integer number (13367290897).

Almost surely, 2^26734581793 is an apocalyptic number.

It is an amenable number.

26734581793 is a deficient number, since it is larger than the sum of its proper divisors (1).

26734581793 is an equidigital number, since it uses as much as digits as its factorization.

26734581793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 55.

The spelling of 26734581793 in words is "twenty-six billion, seven hundred thirty-four million, five hundred eighty-one thousand, seven hundred ninety-three".