26349793817759 has 4 divisors (see below), whose sum is σ = 26357675901216. Its totient is φ = 26341911734304.

The previous prime is 26349793817707. The next prime is 26349793817783. The reversal of 26349793817759 is 95771839794362.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26349793817759 - 2³⁶ = 26281074341023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26349793897759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3941036714 + ... + 3941043399.

It is an arithmetic number, because the mean of its divisors is an integer number (6589418975304).

Almost surely, 2^{26349793817759} is an apocalyptic number.

26349793817759 is a deficient number, since it is larger than the sum of its proper divisors (7882083457).

26349793817759 is an equidigital number, since it uses as much as digits as its factorization.

26349793817759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7882083456.

The product of its digits is 4320812160, while the sum is 80.

The spelling of 26349793817759 in words is "twenty-six trillion, three hundred forty-nine billion, seven hundred ninety-three million, eight hundred seventeen thousand, seven hundred fifty-nine".