26774317413 has 24 divisors (see below), whose sum is σ = 38777485656. Its totient is φ = 17801856000.

The previous prime is 26774317397. The next prime is 26774317421. The reversal of 26774317413 is 31471347762.

It is a happy number.

26774317413 is a `hidden beast` number, since 267 + 74 + 317 + 4 + 1 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 212488929 + 26561828484 = 14577^2 + 162978^2 .

It is not a de Polignac number, because 26774317413 - 2⁴ = 26774317397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26774313413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7359831 + ... + 7363467.

It is an arithmetic number, because the mean of its divisors is an integer number (1615728569).

Almost surely, 2^26774317413 is an apocalyptic number.

It is an amenable number.

26774317413 is a deficient number, since it is larger than the sum of its proper divisors (12003168243).

26774317413 is a wasteful number, since it uses less digits than its factorization.

26774317413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605 (or 5602 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

It can be divided in two parts, 267743 and 17413, that added together give a square (285156 = 534²).

The spelling of 26774317413 in words is "twenty-six billion, seven hundred seventy-four million, three hundred seventeen thousand, four hundred thirteen".