26039732443 has 4 divisors (see below), whose sum is σ = 26049340368. Its totient is φ = 26030124520.

The previous prime is 26039732431. The next prime is 26039732449. The reversal of 26039732443 is 34423793062.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26039732443 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 26039732443.

It is not an unprimeable number, because it can be changed into a prime (26039732449) 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, 4799896 + ... + 4805317.

It is an arithmetic number, because the mean of its divisors is an integer number (6512335092).

Almost surely, 2^26039732443 is an apocalyptic number.

26039732443 is a deficient number, since it is larger than the sum of its proper divisors (9607925).

26039732443 is an equidigital number, since it uses as much as digits as its factorization.

26039732443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9607924.

The product of its (nonzero) digits is 653184, while the sum is 43.

The spelling of 26039732443 in words is "twenty-six billion, thirty-nine million, seven hundred thirty-two thousand, four hundred forty-three".