4509449970 has 32 divisors (see below), whose sum is σ = 10824589440. Its totient is φ = 1202307840.

The previous prime is 4509449963. The next prime is 4509449977. The reversal of 4509449970 is 799449054.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4509449963) and next prime (4509449977).

It is not an unprimeable number, because it can be changed into a prime (4509449977) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 237115 + ... + 255425.

It is an arithmetic number, because the mean of its divisors is an integer number (338268420).

Almost surely, 2^4509449970 is an apocalyptic number.

4509449970 is an abundant number, since it is smaller than the sum of its proper divisors (6315139470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4509449970 is a wasteful number, since it uses less digits than its factorization.

4509449970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26530.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 4509449970 is about 67152.4383027154. The cubic root of 4509449970 is about 1652.1184872911.

The spelling of 4509449970 in words is "four billion, five hundred nine million, four hundred forty-nine thousand, nine hundred seventy".