4453545373 has 4 divisors (see below), whose sum is σ = 4454423548. Its totient is φ = 4452667200.

The previous prime is 4453545353. The next prime is 4453545377. The reversal of 4453545373 is 3735453544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 423454084 + 4030091289 = 20578^2 + 63483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4453545373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4453545377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431436 + ... + 441637.

It is an arithmetic number, because the mean of its divisors is an integer number (1113605887).

Almost surely, 2^4453545373 is an apocalyptic number.

It is an amenable number.

4453545373 is a deficient number, since it is larger than the sum of its proper divisors (878175).

4453545373 is an equidigital number, since it uses as much as digits as its factorization.

4453545373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878174.

The product of its digits is 1512000, while the sum is 43.

The square root of 4453545373 is about 66734.8887239651. Note that the first 3 decimals coincide. The cubic root of 4453545373 is about 1645.2628587441.

The spelling of 4453545373 in words is "four billion, four hundred fifty-three million, five hundred forty-five thousand, three hundred seventy-three".