26755593491391 has 8 divisors (see below), whose sum is σ = 35676050873904. Its totient is φ = 17836099218240.

The previous prime is 26755593491377. The next prime is 26755593491399. The reversal of 26755593491391 is 19319439555762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26755593491391 - 2³⁸ = 26480715584447 is a prime.

It is a super-2 number, since 2×26755593491391² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26755593491399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240712516 + ... + 240823641.

It is an arithmetic number, because the mean of its divisors is an integer number (4459506359238).

Almost surely, 2^{26755593491391} is an apocalyptic number.

26755593491391 is a deficient number, since it is larger than the sum of its proper divisors (8920457382513).

26755593491391 is a wasteful number, since it uses less digits than its factorization.

26755593491391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481554681.

The product of its digits is 275562000, while the sum is 69.

The spelling of 26755593491391 in words is "twenty-six trillion, seven hundred fifty-five billion, five hundred ninety-three million, four hundred ninety-one thousand, three hundred ninety-one".