26412891439 has 24 divisors (see below), whose sum is σ = 30660734720. Its totient is φ = 22673241360.

The previous prime is 26412891433. The next prime is 26412891451. The reversal of 26412891439 is 93419821462.

It is a happy number.

It is not a de Polignac number, because 26412891439 - 2³ = 26412891431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26412891392 and 26412891401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26412891431) 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 23 ways as a sum of consecutive naturals, for example, 687082 + ... + 724504.

Almost surely, 2^26412891439 is an apocalyptic number.

26412891439 is a deficient number, since it is larger than the sum of its proper divisors (4247843281).

26412891439 is a wasteful number, since it uses less digits than its factorization.

26412891439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37771 (or 37760 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The spelling of 26412891439 in words is "twenty-six billion, four hundred twelve million, eight hundred ninety-one thousand, four hundred thirty-nine".