4509449948 has 6 divisors (see below), whose sum is σ = 7891537416. Its totient is φ = 2254724972.

The previous prime is 4509449939. The next prime is 4509449963. The reversal of 4509449948 is 8499449054.

It is a junction number, because it is equal to n+sod(n) for n = 4509449893 and 4509449902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563681240 + ... + 563681247.

It is an arithmetic number, because the mean of its divisors is an integer number (1315256236).

Almost surely, 2^4509449948 is an apocalyptic number.

It is an amenable number.

4509449948 is a deficient number, since it is larger than the sum of its proper divisors (3382087468).

4509449948 is a wasteful number, since it uses less digits than its factorization.

4509449948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127362491 (or 1127362489 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 56.

The square root of 4509449948 is about 67152.4381389090. The cubic root of 4509449948 is about 1652.1184846044.

The spelling of 4509449948 in words is "four billion, five hundred nine million, four hundred forty-nine thousand, nine hundred forty-eight".