26972818322 has 6 divisors (see below), whose sum is σ = 40459575879. Its totient is φ = 13486293030.

The previous prime is 26972818309. The next prime is 26972818333. The reversal of 26972818322 is 22381827962.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13486409161 + 13486409161 = 116131^2 + 116131^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=116131.

It is a Duffinian 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 in 2 ways as a sum of consecutive naturals, for example, 174197 + ... + 290327.

Almost surely, 2^26972818322 is an apocalyptic number.

26972818322 is a deficient number, since it is larger than the sum of its proper divisors (13486757557).

26972818322 is an frugal number, since it uses more digits than its factorization.

26972818322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232264 (or 116133 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

Multiplying 26972818322 by its sum of digits (50), we get a square (1348640916100 = 1161310²).

The spelling of 26972818322 in words is "twenty-six billion, nine hundred seventy-two million, eight hundred eighteen thousand, three hundred twenty-two".