26149055889 has 16 divisors (see below), whose sum is σ = 38752634304. Its totient is φ = 15548894400.

The previous prime is 26149055857. The next prime is 26149055941. The reversal of 26149055889 is 98855094162.

It is a happy number.

It is not a de Polignac number, because 26149055889 - 2⁵ = 26149055857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26149055089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7473682 + ... + 7477179.

It is an arithmetic number, because the mean of its divisors is an integer number (2422039644).

Almost surely, 2^26149055889 is an apocalyptic number.

It is an amenable number.

26149055889 is a deficient number, since it is larger than the sum of its proper divisors (12603578415).

26149055889 is a wasteful number, since it uses less digits than its factorization.

26149055889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14950928.

The product of its (nonzero) digits is 6220800, while the sum is 57.

The spelling of 26149055889 in words is "twenty-six billion, one hundred forty-nine million, fifty-five thousand, eight hundred eighty-nine".