7445523443 has 2 divisors, whose sum is σ = 7445523444. Its totient is φ = 7445523442.

The previous prime is 7445523433. The next prime is 7445523461. The reversal of 7445523443 is 3443255447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7445523443 - 2⁴ = 7445523427 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7445523443.

It is not a weakly prime, because it can be changed into another prime (7445523403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3722761721 + 3722761722.

It is an arithmetic number, because the mean of its divisors is an integer number (3722761722).

Almost surely, 2^7445523443 is an apocalyptic number.

7445523443 is a deficient number, since it is larger than the sum of its proper divisors (1).

7445523443 is an equidigital number, since it uses as much as digits as its factorization.

7445523443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 41.

The square root of 7445523443 is about 86287.4466130503. The cubic root of 7445523443 is about 1952.6829991280.

The spelling of 7445523443 in words is "seven billion, four hundred forty-five million, five hundred twenty-three thousand, four hundred forty-three".