4189816669 has 4 divisors (see below), whose sum is σ = 4190042844. Its totient is φ = 4189590496.

The previous prime is 4189816667. The next prime is 4189816681. The reversal of 4189816669 is 9666189814.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2197265625 + 1992551044 = 46875^2 + 44638^2 .

It is a cyclic number.

It is not a de Polignac number, because 4189816669 - 2¹ = 4189816667 is a prime.

It is a super-2 number, since 2×4189816669² = 35109127439660511122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4189816667) 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, 82552 + ... + 123265.

It is an arithmetic number, because the mean of its divisors is an integer number (1047510711).

Almost surely, 2^4189816669 is an apocalyptic number.

It is an amenable number.

4189816669 is a deficient number, since it is larger than the sum of its proper divisors (226175).

4189816669 is a wasteful number, since it uses less digits than its factorization.

4189816669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226174.

The product of its digits is 4478976, while the sum is 58.

The square root of 4189816669 is about 64728.7931990084. The cubic root of 4189816669 is about 1612.1236162891.

The spelling of 4189816669 in words is "four billion, one hundred eighty-nine million, eight hundred sixteen thousand, six hundred sixty-nine".