7091144453 has 2 divisors, whose sum is σ = 7091144454. Its totient is φ = 7091144452.

The previous prime is 7091144443. The next prime is 7091144503. The reversal of 7091144453 is 3544411907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5037876484 + 2053267969 = 70978^2 + 45313^2 .

It is an emirp because it is prime and its reverse (3544411907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7091144453 - 2²⁰ = 7090095877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7091144443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3545572226 + 3545572227.

It is an arithmetic number, because the mean of its divisors is an integer number (3545572227).

Almost surely, 2^7091144453 is an apocalyptic number.

It is an amenable number.

7091144453 is a deficient number, since it is larger than the sum of its proper divisors (1).

7091144453 is an equidigital number, since it uses as much as digits as its factorization.

7091144453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 7091144453 is about 84208.9333325153. The cubic root of 7091144453 is about 1921.1979334332.

The spelling of 7091144453 in words is "seven billion, ninety-one million, one hundred forty-four thousand, four hundred fifty-three".