26341589137 has 4 divisors (see below), whose sum is σ = 26341931700. Its totient is φ = 26341246576.

The previous prime is 26341589119. The next prime is 26341589213. The reversal of 26341589137 is 73198514362.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6076358401 + 20265230736 = 77951^2 + 142356^2 .

It is a cyclic number.

It is not a de Polignac number, because 26341589137 - 2¹¹ = 26341587089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26341589107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3543 + ... + 229555.

It is an arithmetic number, because the mean of its divisors is an integer number (6585482925).

Almost surely, 2^26341589137 is an apocalyptic number.

It is an amenable number.

26341589137 is a deficient number, since it is larger than the sum of its proper divisors (342563).

26341589137 is a wasteful number, since it uses less digits than its factorization.

26341589137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342562.

The product of its digits is 1088640, while the sum is 49.

The spelling of 26341589137 in words is "twenty-six billion, three hundred forty-one million, five hundred eighty-nine thousand, one hundred thirty-seven".