4043668379 has 4 divisors (see below), whose sum is σ = 4044307680. Its totient is φ = 4043029080.

The previous prime is 4043668319. The next prime is 4043668393. The reversal of 4043668379 is 9738663404.

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 4043668379 - 2¹² = 4043664283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4043668319) 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, 310067 + ... + 322844.

It is an arithmetic number, because the mean of its divisors is an integer number (1011076920).

Almost surely, 2^4043668379 is an apocalyptic number.

4043668379 is a deficient number, since it is larger than the sum of its proper divisors (639301).

4043668379 is an equidigital number, since it uses as much as digits as its factorization.

4043668379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639300.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The square root of 4043668379 is about 63589.8449361217. The cubic root of 4043668379 is about 1593.1567598669.

The spelling of 4043668379 in words is "four billion, forty-three million, six hundred sixty-eight thousand, three hundred seventy-nine".