26944660453 has 2 divisors, whose sum is σ = 26944660454. Its totient is φ = 26944660452.

The previous prime is 26944660447. The next prime is 26944660469. The reversal of 26944660453 is 35406644962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26145919809 + 798740644 = 161697^2 + 28262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26944660453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26944660397 and 26944660406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26944660423) by changing a digit.

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, 13472330226 + 13472330227.

It is an arithmetic number, because the mean of its divisors is an integer number (13472330227).

Almost surely, 2^26944660453 is an apocalyptic number.

It is an amenable number.

26944660453 is a deficient number, since it is larger than the sum of its proper divisors (1).

26944660453 is an equidigital number, since it uses as much as digits as its factorization.

26944660453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 26944660453 in words is "twenty-six billion, nine hundred forty-four million, six hundred sixty thousand, four hundred fifty-three".