4198231209 has 16 divisors (see below), whose sum is σ = 5928612480. Its totient is φ = 2633429760.

The previous prime is 4198231157. The next prime is 4198231229. The reversal of 4198231209 is 9021328914.

It is not a de Polignac number, because 4198231209 - 2¹³ = 4198223017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4198231229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207652 + ... + 226970.

It is an arithmetic number, because the mean of its divisors is an integer number (370538280).

Almost surely, 2^4198231209 is an apocalyptic number.

It is an amenable number.

4198231209 is a deficient number, since it is larger than the sum of its proper divisors (1730381271).

4198231209 is a wasteful number, since it uses less digits than its factorization.

4198231209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23600.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 4198231209 is about 64793.7590281657. The cubic root of 4198231209 is about 1613.2021207244.

The spelling of 4198231209 in words is "four billion, one hundred ninety-eight million, two hundred thirty-one thousand, two hundred nine".