4530945447 has 24 divisors (see below), whose sum is σ = 7873324160. Its totient is φ = 2452842000.

The previous prime is 4530945439. The next prime is 4530945457. The reversal of 4530945447 is 7445490354.

It is not a de Polignac number, because 4530945447 - 2³ = 4530945439 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 (4530945407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1891429 + ... + 1893822.

Almost surely, 2^4530945447 is an apocalyptic number.

4530945447 is a deficient number, since it is larger than the sum of its proper divisors (3342378713).

4530945447 is a wasteful number, since it uses less digits than its factorization.

4530945447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785283 (or 3785280 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The square root of 4530945447 is about 67312.2978882760. The cubic root of 4530945447 is about 1654.7394127309.

The spelling of 4530945447 in words is "four billion, five hundred thirty million, nine hundred forty-five thousand, four hundred forty-seven".