26136880423 has 4 divisors (see below), whose sum is σ = 26139546720. Its totient is φ = 26134214128.

The previous prime is 26136880417. The next prime is 26136880439. The reversal of 26136880423 is 32408863162.

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 26136880423 - 2⁵ = 26136880391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26136880423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26136880493) 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, 1318390 + ... + 1338067.

It is an arithmetic number, because the mean of its divisors is an integer number (6534886680).

Almost surely, 2^26136880423 is an apocalyptic number.

26136880423 is a deficient number, since it is larger than the sum of its proper divisors (2666297).

26136880423 is an equidigital number, since it uses as much as digits as its factorization.

26136880423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666296.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 26136880423 in words is "twenty-six billion, one hundred thirty-six million, eight hundred eighty thousand, four hundred twenty-three".