26318686845 has 16 divisors (see below), whose sum is σ = 45938071872. Its totient is φ = 12760575360.

The previous prime is 26318686739. The next prime is 26318686853. The reversal of 26318686845 is 54868681362.

It is not a de Polignac number, because 26318686845 - 2¹² = 26318682749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79753432 + ... + 79753761.

It is an arithmetic number, because the mean of its divisors is an integer number (2871129492).

Almost surely, 2^26318686845 is an apocalyptic number.

It is an amenable number.

26318686845 is a deficient number, since it is larger than the sum of its proper divisors (19619385027).

26318686845 is a wasteful number, since it uses less digits than its factorization.

26318686845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159507212.

The product of its digits is 13271040, while the sum is 57.

The spelling of 26318686845 in words is "twenty-six billion, three hundred eighteen million, six hundred eighty-six thousand, eight hundred forty-five".