26265013889 has 24 divisors (see below), whose sum is σ = 28222387200. Its totient is φ = 24436841216.

The previous prime is 26265013871. The next prime is 26265013909. The reversal of 26265013889 is 98831056262.

It is a de Polignac number, because none of the positive numbers 2^k-26265013889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26265013189) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9773504 + ... + 9776190.

It is an arithmetic number, because the mean of its divisors is an integer number (1175932800).

Almost surely, 2^26265013889 is an apocalyptic number.

It is an amenable number.

26265013889 is a deficient number, since it is larger than the sum of its proper divisors (1957373311).

26265013889 is a wasteful number, since it uses less digits than its factorization.

26265013889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097 (or 3080 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 26265013889 in words is "twenty-six billion, two hundred sixty-five million, thirteen thousand, eight hundred eighty-nine".