3943223493 has 16 divisors (see below), whose sum is σ = 5762790912. Its totient is φ = 2378502000.

The previous prime is 3943223483. The next prime is 3943223497.

3943223493 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3943223493 - 2¹⁰ = 3943222469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943223497) 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, 276193 + ... + 290118.

It is an arithmetic number, because the mean of its divisors is an integer number (360174432).

Almost surely, 2^3943223493 is an apocalyptic number.

3943223493 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3943223493 is a deficient number, since it is larger than the sum of its proper divisors (1819567419).

3943223493 is a wasteful number, since it uses less digits than its factorization.

3943223493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566536.

The product of its digits is 419904, while the sum is 42.

The square root of 3943223493 is about 62795.0913129362. The cubic root of 3943223493 is about 1579.8546430665.

The spelling of 3943223493 in words is "three billion, nine hundred forty-three million, two hundred twenty-three thousand, four hundred ninety-three".