26749131453 has 12 divisors (see below), whose sum is σ = 42150146688. Its totient is φ = 16211594760.

The previous prime is 26749131427. The next prime is 26749131467. The reversal of 26749131453 is 35413194762.

26749131453 is a `hidden beast` number, since 2 + 67 + 4 + 9 + 131 + 453 = 666.

It is not a de Polignac number, because 26749131453 - 2¹⁷ = 26749000381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26749131399 and 26749131408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26749131413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135096525 + ... + 135096722.

It is an arithmetic number, because the mean of its divisors is an integer number (3512512224).

Almost surely, 2^26749131453 is an apocalyptic number.

It is an amenable number.

26749131453 is a deficient number, since it is larger than the sum of its proper divisors (15401015235).

26749131453 is a wasteful number, since it uses less digits than its factorization.

26749131453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270193264 (or 270193261 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

It can be divided in two parts, 26749131 and 453, that added together give a square (26749584 = 5172²).

The spelling of 26749131453 in words is "twenty-six billion, seven hundred forty-nine million, one hundred thirty-one thousand, four hundred fifty-three".