26043913731 has 16 divisors (see below), whose sum is σ = 37897884288. Its totient is φ = 15777595200.

The previous prime is 26043913723. The next prime is 26043913783. The reversal of 26043913731 is 13731934062.

It is not a de Polignac number, because 26043913731 - 2³ = 26043913723 is a prime.

It is a super-2 number, since 2×26043913731² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26043913731.

It is not an unprimeable number, because it can be changed into a prime (26043911731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84106 + ... + 243231.

It is an arithmetic number, because the mean of its divisors is an integer number (2368617768).

Almost surely, 2^26043913731 is an apocalyptic number.

26043913731 is a deficient number, since it is larger than the sum of its proper divisors (11853970557).

26043913731 is a wasteful number, since it uses less digits than its factorization.

26043913731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329762.

The product of its (nonzero) digits is 81648, while the sum is 39.

It can be divided in two parts, 260439 and 13731, that added together give a triangular number (274170 = T₇₄₀).

The spelling of 26043913731 in words is "twenty-six billion, forty-three million, nine hundred thirteen thousand, seven hundred thirty-one".