4539188198 has 16 divisors (see below), whose sum is σ = 7187814720. Its totient is φ = 2143939176.

The previous prime is 4539188149. The next prime is 4539188201. The reversal of 4539188198 is 8918819354.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158936 + ... + 185307.

It is an arithmetic number, because the mean of its divisors is an integer number (449238420).

Almost surely, 2^4539188198 is an apocalyptic number.

4539188198 is a deficient number, since it is larger than the sum of its proper divisors (2648626522).

4539188198 is a wasteful number, since it uses less digits than its factorization.

4539188198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344611.

The product of its digits is 2488320, while the sum is 56.

The square root of 4539188198 is about 67373.4977420647. The cubic root of 4539188198 is about 1655.7422455352.

The spelling of 4539188198 in words is "four billion, five hundred thirty-nine million, one hundred eighty-eight thousand, one hundred ninety-eight".