26859730969 has 16 divisors (see below), whose sum is σ = 28802433600. Its totient is φ = 24972767424.

The previous prime is 26859730957. The next prime is 26859730979. The reversal of 26859730969 is 96903795862.

It is a de Polignac number, because none of the positive numbers 2^k-26859730969 is a prime.

It is a super-2 number, since 2×26859730969² (a number of 22 digits) contains 22 as substring.

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 26859730969.

It is not an unprimeable number, because it can be changed into a prime (26859730979) 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 15 ways as a sum of consecutive naturals, for example, 303219 + ... + 381655.

It is an arithmetic number, because the mean of its divisors is an integer number (1800152100).

Almost surely, 2^26859730969 is an apocalyptic number.

It is an amenable number.

26859730969 is a deficient number, since it is larger than the sum of its proper divisors (1942702631).

26859730969 is a wasteful number, since it uses less digits than its factorization.

26859730969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78792.

The product of its (nonzero) digits is 44089920, while the sum is 64.

The spelling of 26859730969 in words is "twenty-six billion, eight hundred fifty-nine million, seven hundred thirty thousand, nine hundred sixty-nine".