26382097431 has 24 divisors (see below), whose sum is σ = 40296197760. Its totient is φ = 16605561600.

The previous prime is 26382097421. The next prime is 26382097439. The reversal of 26382097431 is 13479028362.

26382097431 is a `hidden beast` number, since 2 + 6 + 3 + 8 + 209 + 7 + 431 = 666.

It is not a de Polignac number, because 26382097431 - 2⁶ = 26382097367 is a prime.

It is a super-2 number, since 2×26382097431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26382097439) 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, 1141726 + ... + 1164603.

It is an arithmetic number, because the mean of its divisors is an integer number (1679008240).

Almost surely, 2^26382097431 is an apocalyptic number.

26382097431 is a deficient number, since it is larger than the sum of its proper divisors (13914100329).

26382097431 is a wasteful number, since it uses less digits than its factorization.

26382097431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306407 (or 2306404 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 26382097431 in words is "twenty-six billion, three hundred eighty-two million, ninety-seven thousand, four hundred thirty-one".