26469958321 has 4 divisors (see below), whose sum is σ = 26470860912. Its totient is φ = 26469055732.

The previous prime is 26469958303. The next prime is 26469958331. The reversal of 26469958321 is 12385996462.

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 26469958321 - 2⁵ = 26469958289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26469958331) 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, 405775 + ... + 466468.

It is an arithmetic number, because the mean of its divisors is an integer number (6617715228).

Almost surely, 2^26469958321 is an apocalyptic number.

It is an amenable number.

26469958321 is a deficient number, since it is larger than the sum of its proper divisors (902591).

26469958321 is an equidigital number, since it uses as much as digits as its factorization.

26469958321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902590.

The product of its digits is 5598720, while the sum is 55.

The spelling of 26469958321 in words is "twenty-six billion, four hundred sixty-nine million, nine hundred fifty-eight thousand, three hundred twenty-one".