26338468081 has 4 divisors (see below), whose sum is σ = 26410235392. Its totient is φ = 26266700772.

The previous prime is 26338468007. The next prime is 26338468099. The reversal of 26338468081 is 18086483362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26338468081 - 2¹⁵ = 26338435313 is a prime.

It is a super-2 number, since 2×26338468081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26338468001) 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, 35883105 + ... + 35883838.

It is an arithmetic number, because the mean of its divisors is an integer number (6602558848).

Almost surely, 2^26338468081 is an apocalyptic number.

It is an amenable number.

26338468081 is a deficient number, since it is larger than the sum of its proper divisors (71767311).

26338468081 is an equidigital number, since it uses as much as digits as its factorization.

26338468081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71767310.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 26338468081 in words is "twenty-six billion, three hundred thirty-eight million, four hundred sixty-eight thousand, eighty-one".