4515493309 has 4 divisors (see below), whose sum is σ = 4517541504. Its totient is φ = 4513445116.

The previous prime is 4515493291. The next prime is 4515493313. The reversal of 4515493309 is 9033945154.

It is a happy number.

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 4515493309 - 2⁹ = 4515492797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4515493349) 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, 1020787 + ... + 1025200.

It is an arithmetic number, because the mean of its divisors is an integer number (1129385376).

Almost surely, 2^4515493309 is an apocalyptic number.

It is an amenable number.

4515493309 is a deficient number, since it is larger than the sum of its proper divisors (2048195).

4515493309 is a wasteful number, since it uses less digits than its factorization.

4515493309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048194.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 4515493309 is about 67197.4204043578. The cubic root of 4515493309 is about 1652.8561866640.

The spelling of 4515493309 in words is "four billion, five hundred fifteen million, four hundred ninety-three thousand, three hundred nine".