8442662453 has 2 divisors, whose sum is σ = 8442662454. Its totient is φ = 8442662452.

The previous prime is 8442662447. The next prime is 8442662461. The reversal of 8442662453 is 3542662448.

It is a happy number.

8442662453 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4461304849 + 3981357604 = 66793^2 + 63098^2 .

It is a cyclic number.

It is not a de Polignac number, because 8442662453 - 2²⁰ = 8441613877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8442662443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4221331226 + 4221331227.

It is an arithmetic number, because the mean of its divisors is an integer number (4221331227).

Almost surely, 2^8442662453 is an apocalyptic number.

It is an amenable number.

8442662453 is a deficient number, since it is larger than the sum of its proper divisors (1).

8442662453 is an equidigital number, since it uses as much as digits as its factorization.

8442662453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1105920, while the sum is 44.

The square root of 8442662453 is about 91883.9618921605. The cubic root of 8442662453 is about 2036.2283293764.

The spelling of 8442662453 in words is "eight billion, four hundred forty-two million, six hundred sixty-two thousand, four hundred fifty-three".