4509561290 has 16 divisors (see below), whose sum is σ = 8741611368. Its totient is φ = 1665068736.

The previous prime is 4509561283. The next prime is 4509561299. The reversal of 4509561290 is 921659054.

It can be written as a sum of positive squares in 4 ways, for example, as 1145213281 + 3364348009 = 33841^2 + 58003^2 .

It is a super-2 number, since 2×4509561290² = 40672286056532928200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4509561299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17344337 + ... + 17344596.

Almost surely, 2^4509561290 is an apocalyptic number.

4509561290 is a deficient number, since it is larger than the sum of its proper divisors (4232050078).

4509561290 is a wasteful number, since it uses less digits than its factorization.

4509561290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34688953.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 4509561290 is about 67153.2671580467. The cubic root of 4509561290 is about 1652.1320818771.

The spelling of 4509561290 in words is "four billion, five hundred nine million, five hundred sixty-one thousand, two hundred ninety".