4509449963 has 2 divisors, whose sum is σ = 4509449964. Its totient is φ = 4509449962.

The previous prime is 4509449939. The next prime is 4509449977. The reversal of 4509449963 is 3699449054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4509449963 - 2⁶ = 4509449899 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4509449363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2254724981 + 2254724982.

It is an arithmetic number, because the mean of its divisors is an integer number (2254724982).

Almost surely, 2^4509449963 is an apocalyptic number.

4509449963 is a deficient number, since it is larger than the sum of its proper divisors (1).

4509449963 is an equidigital number, since it uses as much as digits as its factorization.

4509449963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 53.

The square root of 4509449963 is about 67152.4382505952. The cubic root of 4509449963 is about 1652.1184864362.

The spelling of 4509449963 in words is "four billion, five hundred nine million, four hundred forty-nine thousand, nine hundred sixty-three".