4569219018 has 128 divisors (see below), whose sum is σ = 12530327040. Its totient is φ = 1201858560.

The previous prime is 4569219007. The next prime is 4569219023. The reversal of 4569219018 is 8109129654.

4569219018 is a `hidden beast` number, since 456 + 9 + 2 + 190 + 1 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2264346 + ... + 2266362.

It is an arithmetic number, because the mean of its divisors is an integer number (97893180).

Almost surely, 2^4569219018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4569219018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6265163520).

4569219018 is an abundant number, since it is smaller than the sum of its proper divisors (7961108022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4569219018 is a wasteful number, since it uses less digits than its factorization.

4569219018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 4569219018 is about 67595.9985354163. The cubic root of 4569219018 is about 1659.3856315065.

The spelling of 4569219018 in words is "four billion, five hundred sixty-nine million, two hundred nineteen thousand, eighteen".