4218504493 has 8 divisors (see below), whose sum is σ = 4842202880. Its totient is φ = 3600069840.

The previous prime is 4218504481. The next prime is 4218504523. The reversal of 4218504493 is 3944058124.

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 4218504493 - 2¹³ = 4218496301 is a prime.

It is a super-2 number, since 2×4218504493² = 35591560314922374098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4218504403) 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, 1314213 + ... + 1317418.

It is an arithmetic number, because the mean of its divisors is an integer number (605275360).

Almost surely, 2^4218504493 is an apocalyptic number.

It is an amenable number.

4218504493 is a deficient number, since it is larger than the sum of its proper divisors (623698387).

4218504493 is a wasteful number, since it uses less digits than its factorization.

4218504493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631867.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 4218504493 is about 64950.0153425694. The cubic root of 4218504493 is about 1615.7946729871.

The spelling of 4218504493 in words is "four billion, two hundred eighteen million, five hundred four thousand, four hundred ninety-three".