4143493919 has 4 divisors (see below), whose sum is σ = 4143904344. Its totient is φ = 4143083496.

The previous prime is 4143493909. The next prime is 4143493957. The reversal of 4143493919 is 9193943414.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9193943414 = 2 ⋅4596971707.

It is a cyclic number.

It is not a de Polignac number, because 4143493919 - 2¹⁶ = 4143428383 is a prime.

It is a super-2 number, since 2×4143493919² = 34337083713579957122, 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 (4143493909) 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, 189677 + ... + 210390.

It is an arithmetic number, because the mean of its divisors is an integer number (1035976086).

Almost surely, 2^4143493919 is an apocalyptic number.

4143493919 is a deficient number, since it is larger than the sum of its proper divisors (410425).

4143493919 is a wasteful number, since it uses less digits than its factorization.

4143493919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410424.

The product of its digits is 419904, while the sum is 47.

The square root of 4143493919 is about 64369.9768447993. The cubic root of 4143493919 is about 1606.1603548631.

The spelling of 4143493919 in words is "four billion, one hundred forty-three million, four hundred ninety-three thousand, nine hundred nineteen".