4194985219 has 4 divisors (see below), whose sum is σ = 4232109096. Its totient is φ = 4157861344.

The previous prime is 4194985199. The next prime is 4194985231. The reversal of 4194985219 is 9125894914.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4194985219 - 2⁹ = 4194984707 is a prime.

It is a super-2 number, since 2×4194985219² = 35195801975256955922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4194980219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18561769 + ... + 18561994.

It is an arithmetic number, because the mean of its divisors is an integer number (1058027274).

Almost surely, 2^4194985219 is an apocalyptic number.

4194985219 is a deficient number, since it is larger than the sum of its proper divisors (37123877).

4194985219 is a wasteful number, since it uses less digits than its factorization.

4194985219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37123876.

The product of its digits is 933120, while the sum is 52.

The square root of 4194985219 is about 64768.7055529134. The cubic root of 4194985219 is about 1612.7862481151.

The spelling of 4194985219 in words is "four billion, one hundred ninety-four million, nine hundred eighty-five thousand, two hundred nineteen".