4423881629 has 4 divisors (see below), whose sum is σ = 4566587520. Its totient is φ = 4281175740.

The previous prime is 4423881601. The next prime is 4423881641. The reversal of 4423881629 is 9261883244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4423881629 - 2⁸ = 4423881373 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 (4423881029) 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, 71352899 + ... + 71352960.

It is an arithmetic number, because the mean of its divisors is an integer number (1141646880).

Almost surely, 2^4423881629 is an apocalyptic number.

It is an amenable number.

4423881629 is a deficient number, since it is larger than the sum of its proper divisors (142705891).

4423881629 is a wasteful number, since it uses less digits than its factorization.

4423881629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142705890.

The product of its digits is 663552, while the sum is 47.

The square root of 4423881629 is about 66512.2667558399. The cubic root of 4423881629 is about 1641.6018491671.

The spelling of 4423881629 in words is "four billion, four hundred twenty-three million, eight hundred eighty-one thousand, six hundred twenty-nine".