26344131357 has 4 divisors (see below), whose sum is σ = 35125508480. Its totient is φ = 17562754236.

The previous prime is 26344131337. The next prime is 26344131409. The reversal of 26344131357 is 75313144362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 26344131357 - 2¹² = 26344127261 is a prime.

It is a super-2 number, since 2×26344131357² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26344131337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4390688557 + ... + 4390688562.

It is an arithmetic number, because the mean of its divisors is an integer number (8781377120).

Almost surely, 2^26344131357 is an apocalyptic number.

It is an amenable number.

26344131357 is a deficient number, since it is larger than the sum of its proper divisors (8781377123).

26344131357 is an equidigital number, since it uses as much as digits as its factorization.

26344131357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8781377122.

The product of its digits is 181440, while the sum is 39.

The spelling of 26344131357 in words is "twenty-six billion, three hundred forty-four million, one hundred thirty-one thousand, three hundred fifty-seven".