26746205012 has 6 divisors (see below), whose sum is σ = 46805858778. Its totient is φ = 13373102504.

The previous prime is 26746204987. The next prime is 26746205021. The reversal of 26746205012 is 21050264762.

It can be written as a sum of positive squares in only one way, i.e., 26743369156 + 2835856 = 163534^2 + 1684^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3343275623 + ... + 3343275630.

It is an arithmetic number, because the mean of its divisors is an integer number (7800976463).

Almost surely, 2^26746205012 is an apocalyptic number.

It is an amenable number.

26746205012 is a deficient number, since it is larger than the sum of its proper divisors (20059653766).

26746205012 is a wasteful number, since it uses less digits than its factorization.

26746205012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6686551257 (or 6686551255 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 26746205012 its reverse (21050264762), we get a palindrome (47796469774).

The spelling of 26746205012 in words is "twenty-six billion, seven hundred forty-six million, two hundred five thousand, twelve".