4509117481 has 4 divisors (see below), whose sum is σ = 4919037264. Its totient is φ = 4099197700.

The previous prime is 4509117469. The next prime is 4509117491. The reversal of 4509117481 is 1847119054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4509117481 - 2¹¹ = 4509115433 is a prime.

It is a super-2 number, since 2×4509117481² = 40664280914919570722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4509117491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204959875 + ... + 204959896.

It is an arithmetic number, because the mean of its divisors is an integer number (1229759316).

Almost surely, 2^4509117481 is an apocalyptic number.

It is an amenable number.

4509117481 is a deficient number, since it is larger than the sum of its proper divisors (409919783).

4509117481 is a wasteful number, since it uses less digits than its factorization.

4509117481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409919782.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 4509117481 is about 67149.9626284334. The cubic root of 4509117481 is about 1652.0778818419.

The spelling of 4509117481 in words is "four billion, five hundred nine million, one hundred seventeen thousand, four hundred eighty-one".