26842134479 has 4 divisors (see below), whose sum is σ = 28421083584. Its totient is φ = 25263185376.

The previous prime is 26842134463. The next prime is 26842134503. The reversal of 26842134479 is 97443124862.

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

It is not a de Polignac number, because 26842134479 - 2⁴ = 26842134463 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 (26842134779) 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, 789474527 + ... + 789474560.

It is an arithmetic number, because the mean of its divisors is an integer number (7105270896).

Almost surely, 2^26842134479 is an apocalyptic number.

26842134479 is a deficient number, since it is larger than the sum of its proper divisors (1578949105).

26842134479 is a wasteful number, since it uses less digits than its factorization.

26842134479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578949104.

The product of its digits is 2322432, while the sum is 50.

The spelling of 26842134479 in words is "twenty-six billion, eight hundred forty-two million, one hundred thirty-four thousand, four hundred seventy-nine".