4066399343 has 4 divisors (see below), whose sum is σ = 4206620040. Its totient is φ = 3926178648.

The previous prime is 4066399331. The next prime is 4066399349. The reversal of 4066399343 is 3439936604.

It is a happy number.

4066399343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4066399343 - 2⁴ = 4066399327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066399349) 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, 70110305 + ... + 70110362.

It is an arithmetic number, because the mean of its divisors is an integer number (1051655010).

Almost surely, 2^4066399343 is an apocalyptic number.

4066399343 is a deficient number, since it is larger than the sum of its proper divisors (140220697).

4066399343 is a wasteful number, since it uses less digits than its factorization.

4066399343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140220696.

The product of its (nonzero) digits is 1259712, while the sum is 47.

The square root of 4066399343 is about 63768.3255464655. The cubic root of 4066399343 is about 1596.1364257923.

The spelling of 4066399343 in words is "four billion, sixty-six million, three hundred ninety-nine thousand, three hundred forty-three".