4509123916 has 12 divisors (see below), whose sum is σ = 8608327560. Its totient is φ = 2049601760.

The previous prime is 4509123893. The next prime is 4509123923. The reversal of 4509123916 is 6193219054.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51240001 + ... + 51240088.

It is an arithmetic number, because the mean of its divisors is an integer number (717360630).

Almost surely, 2^4509123916 is an apocalyptic number.

It is an amenable number.

4509123916 is a deficient number, since it is larger than the sum of its proper divisors (4099203644).

4509123916 is a wasteful number, since it uses less digits than its factorization.

4509123916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102480104 (or 102480102 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 4509123916 is about 67150.0105435584. The cubic root of 4509123916 is about 1652.0786677396.

The spelling of 4509123916 in words is "four billion, five hundred nine million, one hundred twenty-three thousand, nine hundred sixteen".