26425435389 has 4 divisors (see below), whose sum is σ = 35233913856. Its totient is φ = 17616956924.

The previous prime is 26425435381. The next prime is 26425435417. The reversal of 26425435389 is 98353452462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26425435389 - 2³ = 26425435381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26425435381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4404239229 + ... + 4404239234.

It is an arithmetic number, because the mean of its divisors is an integer number (8808478464).

Almost surely, 2^26425435389 is an apocalyptic number.

It is an amenable number.

26425435389 is a deficient number, since it is larger than the sum of its proper divisors (8808478467).

26425435389 is an equidigital number, since it uses as much as digits as its factorization.

26425435389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8808478466.

The product of its digits is 6220800, while the sum is 51.

The spelling of 26425435389 in words is "twenty-six billion, four hundred twenty-five million, four hundred thirty-five thousand, three hundred eighty-nine".