2143044198 has 48 divisors (see below), whose sum is σ = 4799149056. Its totient is φ = 690424560.

The previous prime is 2143044193. The next prime is 2143044199. The reversal of 2143044198 is 8914403412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143044193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 546561 + ... + 550467.

It is an arithmetic number, because the mean of its divisors is an integer number (99982272).

Almost surely, 2^2143044198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143044198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2399574528).

2143044198 is an abundant number, since it is smaller than the sum of its proper divisors (2656104858).

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

2143044198 is a wasteful number, since it uses less digits than its factorization.

2143044198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929 (or 4926 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2143044198 is about 46293.0253709995. The cubic root of 2143044198 is about 1289.2695016826.

The spelling of 2143044198 in words is "two billion, one hundred forty-three million, forty-four thousand, one hundred ninety-eight".