26839479381199 has 4 divisors (see below), whose sum is σ = 27564870715864. Its totient is φ = 26114088046536.

The previous prime is 26839479381173. The next prime is 26839479381223. The reversal of 26839479381199 is 99118397493862.

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 26839479381199 - 2²⁹ = 26838942510287 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 (26839479381109) 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, 362695667277 + ... + 362695667350.

It is an arithmetic number, because the mean of its divisors is an integer number (6891217678966).

Almost surely, 2^{26839479381199} is an apocalyptic number.

26839479381199 is a deficient number, since it is larger than the sum of its proper divisors (725391334665).

26839479381199 is an equidigital number, since it uses as much as digits as its factorization.

26839479381199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725391334664.

The product of its digits is 1269789696, while the sum is 79.

The spelling of 26839479381199 in words is "twenty-six trillion, eight hundred thirty-nine billion, four hundred seventy-nine million, three hundred eighty-one thousand, one hundred ninety-nine".