26431425743 has 4 divisors (see below), whose sum is σ = 26435983200. Its totient is φ = 26426868288.

The previous prime is 26431425739. The next prime is 26431425781. The reversal of 26431425743 is 34752413462.

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 26431425743 - 2² = 26431425739 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 26431425743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26431415743) 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, 2270018 + ... + 2281631.

It is an arithmetic number, because the mean of its divisors is an integer number (6608995800).

Almost surely, 2^26431425743 is an apocalyptic number.

26431425743 is a deficient number, since it is larger than the sum of its proper divisors (4557457).

26431425743 is an equidigital number, since it uses as much as digits as its factorization.

26431425743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557456.

The product of its digits is 483840, while the sum is 41.

The spelling of 26431425743 in words is "twenty-six billion, four hundred thirty-one million, four hundred twenty-five thousand, seven hundred forty-three".