4509459218423 has 8 divisors (see below), whose sum is σ = 4639459990128. Its totient is φ = 4381302429504.

The previous prime is 4509459218419. The next prime is 4509459218477. The reversal of 4509459218423 is 3248129549054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4509459218423 - 2² = 4509459218419 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 (4509459268423) 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, 460990736 + ... + 461000517.

It is an arithmetic number, because the mean of its divisors is an integer number (579932498766).

Almost surely, 2^{4509459218423} is an apocalyptic number.

4509459218423 is a deficient number, since it is larger than the sum of its proper divisors (130000771705).

4509459218423 is an equidigital number, since it uses as much as digits as its factorization.

4509459218423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921991393.

The product of its (nonzero) digits is 12441600, while the sum is 56.

The spelling of 4509459218423 in words is "four trillion, five hundred nine billion, four hundred fifty-nine million, two hundred eighteen thousand, four hundred twenty-three".