26614445213 has 4 divisors (see below), whose sum is σ = 26653991868. Its totient is φ = 26574898560.

The previous prime is 26614445197. The next prime is 26614445219. The reversal of 26614445213 is 31254441662.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16656999844 + 9957445369 = 129062^2 + 99787^2 .

It is a cyclic number.

It is not a de Polignac number, because 26614445213 - 2⁴ = 26614445197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26614445219) 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, 19772318 + ... + 19773663.

It is an arithmetic number, because the mean of its divisors is an integer number (6663497967).

Almost surely, 2^26614445213 is an apocalyptic number.

It is an amenable number.

26614445213 is a deficient number, since it is larger than the sum of its proper divisors (39546655).

26614445213 is an equidigital number, since it uses as much as digits as its factorization.

26614445213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39546654.

The product of its digits is 138240, while the sum is 38.

Adding to 26614445213 its reverse (31254441662), we get a palindrome (57868886875).

The spelling of 26614445213 in words is "twenty-six billion, six hundred fourteen million, four hundred forty-five thousand, two hundred thirteen".