26912389231 has 32 divisors (see below), whose sum is σ = 33935982080. Its totient is φ = 20771904384.

The previous prime is 26912389213. The next prime is 26912389243. The reversal of 26912389231 is 13298321962.

It is not a de Polignac number, because 26912389231 - 2⁹ = 26912388719 is a prime.

It is a super-2 number, since 2×26912389231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26912389201) 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 31 ways as a sum of consecutive naturals, for example, 3451285 + ... + 3459073.

It is an arithmetic number, because the mean of its divisors is an integer number (1060499440).

Almost surely, 2^26912389231 is an apocalyptic number.

26912389231 is a deficient number, since it is larger than the sum of its proper divisors (7023592849).

26912389231 is a wasteful number, since it uses less digits than its factorization.

26912389231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8735.

The product of its digits is 279936, while the sum is 46.

The spelling of 26912389231 in words is "twenty-six billion, nine hundred twelve million, three hundred eighty-nine thousand, two hundred thirty-one".