4021289198 has 16 divisors (see below), whose sum is σ = 6051268080. Its totient is φ = 2004211200.

The previous prime is 4021289189. The next prime is 4021289213. The reversal of 4021289198 is 8919821204.

4021289198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 935438 + ... + 939726.

It is an arithmetic number, because the mean of its divisors is an integer number (378204255).

Almost surely, 2^4021289198 is an apocalyptic number.

4021289198 is a deficient number, since it is larger than the sum of its proper divisors (2029978882).

4021289198 is a wasteful number, since it uses less digits than its factorization.

4021289198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5683.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 4021289198 is about 63413.6357418497. The cubic root of 4021289198 is about 1590.2122783967.

The spelling of 4021289198 in words is "four billion, twenty-one million, two hundred eighty-nine thousand, one hundred ninety-eight".