4429171381 has 4 divisors (see below), whose sum is σ = 4689710892. Its totient is φ = 4168631872.

The previous prime is 4429171361. The next prime is 4429171447. The reversal of 4429171381 is 1831719244.

4429171381 is digitally balanced in base 3, 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 can be written as a sum of positive squares in 2 ways, for example, as 2869316356 + 1559855025 = 53566^2 + 39495^2 .

It is a cyclic number.

It is not a de Polignac number, because 4429171381 - 2⁹ = 4429170869 is a prime.

It is a super-2 number, since 2×4429171381² = 39235118244538894322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4429171361) 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, 130269730 + ... + 130269763.

It is an arithmetic number, because the mean of its divisors is an integer number (1172427723).

Almost surely, 2^4429171381 is an apocalyptic number.

It is an amenable number.

4429171381 is a deficient number, since it is larger than the sum of its proper divisors (260539511).

4429171381 is a wasteful number, since it uses less digits than its factorization.

4429171381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260539510.

The product of its digits is 48384, while the sum is 40.

The square root of 4429171381 is about 66552.0201120898. The cubic root of 4429171381 is about 1642.2558907678.

The spelling of 4429171381 in words is "four billion, four hundred twenty-nine million, one hundred seventy-one thousand, three hundred eighty-one".