26544089749 has 8 divisors (see below), whose sum is σ = 27490675968. Its totient is φ = 25613412720.

The previous prime is 26544089701. The next prime is 26544089771. The reversal of 26544089749 is 94798044562.

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

It is a cyclic number.

It is not a de Polignac number, because 26544089749 - 2³³ = 17954155157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26544089693 and 26544089702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26544083749) 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 7 ways as a sum of consecutive naturals, for example, 3973902 + ... + 3980575.

It is an arithmetic number, because the mean of its divisors is an integer number (3436334496).

Almost surely, 2^26544089749 is an apocalyptic number.

It is an amenable number.

26544089749 is a deficient number, since it is larger than the sum of its proper divisors (946586219).

26544089749 is an equidigital number, since it uses as much as digits as its factorization.

26544089749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7954595.

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 26544089749 in words is "twenty-six billion, five hundred forty-four million, eighty-nine thousand, seven hundred forty-nine".