2043906679 has 4 divisors (see below), whose sum is σ = 2044141600. Its totient is φ = 2043671760.

The previous prime is 2043906673. The next prime is 2043906701. The reversal of 2043906679 is 9766093402.

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 2043906679 - 2⁵ = 2043906647 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 (2043906673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103887 + ... + 121984.

It is an arithmetic number, because the mean of its divisors is an integer number (511035400).

Almost surely, 2^2043906679 is an apocalyptic number.

2043906679 is a deficient number, since it is larger than the sum of its proper divisors (234921).

2043906679 is an equidigital number, since it uses as much as digits as its factorization.

2043906679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234920.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 2043906679 is about 45209.5861405521. The cubic root of 2043906679 is about 1269.0742171124.

The spelling of 2043906679 in words is "two billion, forty-three million, nine hundred six thousand, six hundred seventy-nine".