26126282969 has 16 divisors (see below), whose sum is σ = 26635035600. Its totient is φ = 25623417600.

The previous prime is 26126282957. The next prime is 26126282989. The reversal of 26126282969 is 96928262162.

It can be written as a sum of positive squares in 8 ways, for example, as 1024000000 + 25102282969 = 32000^2 + 158437^2 .

It is a cyclic number.

It is not a de Polignac number, because 26126282969 - 2²⁰ = 26125234393 is a prime.

It is a super-2 number, since 2×26126282969² (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 26126282969.

It is not an unprimeable number, because it can be changed into a prime (26126282939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5972267 + ... + 5976639.

It is an arithmetic number, because the mean of its divisors is an integer number (1664689725).

Almost surely, 2^26126282969 is an apocalyptic number.

It is an amenable number.

26126282969 is a deficient number, since it is larger than the sum of its proper divisors (508752631).

26126282969 is a wasteful number, since it uses less digits than its factorization.

26126282969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020.

The product of its digits is 2239488, while the sum is 53.

The spelling of 26126282969 in words is "twenty-six billion, one hundred twenty-six million, two hundred eighty-two thousand, nine hundred sixty-nine".