26448488659 has 4 divisors (see below), whose sum is σ = 26695670904. Its totient is φ = 26201306416.

The previous prime is 26448488653. The next prime is 26448488669. The reversal of 26448488659 is 95688484462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26448488659 - 2¹¹ = 26448486611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26448488659.

It is not an unprimeable number, because it can be changed into a prime (26448488653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123590962 + ... + 123591175.

It is an arithmetic number, because the mean of its divisors is an integer number (6673917726).

Almost surely, 2^26448488659 is an apocalyptic number.

26448488659 is a deficient number, since it is larger than the sum of its proper divisors (247182245).

26448488659 is a wasteful number, since it uses less digits than its factorization.

26448488659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247182244.

The product of its digits is 106168320, while the sum is 64.

The spelling of 26448488659 in words is "twenty-six billion, four hundred forty-eight million, four hundred eighty-eight thousand, six hundred fifty-nine".