26912156439 has 16 divisors (see below), whose sum is σ = 41012997120. Its totient is φ = 15376876320.

The previous prime is 26912156417. The next prime is 26912156477. The reversal of 26912156439 is 93465121962.

It is not a de Polignac number, because 26912156439 - 2¹² = 26912152343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26912156539) 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, 180049 + ... + 293669.

It is an arithmetic number, because the mean of its divisors is an integer number (2563312320).

Almost surely, 2^26912156439 is an apocalyptic number.

26912156439 is a deficient number, since it is larger than the sum of its proper divisors (14100840681).

26912156439 is a wasteful number, since it uses less digits than its factorization.

26912156439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124910.

The product of its digits is 699840, while the sum is 48.

The spelling of 26912156439 in words is "twenty-six billion, nine hundred twelve million, one hundred fifty-six thousand, four hundred thirty-nine".