4402544129 has 4 divisors (see below), whose sum is σ = 4402763220. Its totient is φ = 4402325040.

The previous prime is 4402544059. The next prime is 4402544147. The reversal of 4402544129 is 9214452044.

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 909143104 + 3493401025 = 30152^2 + 59105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4402544129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4402544429) 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, 75974 + ... + 120735.

It is an arithmetic number, because the mean of its divisors is an integer number (1100690805).

Almost surely, 2^4402544129 is an apocalyptic number.

It is an amenable number.

4402544129 is a deficient number, since it is larger than the sum of its proper divisors (219091).

4402544129 is a wasteful number, since it uses less digits than its factorization.

4402544129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219090.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 4402544129 is about 66351.6701296961. The cubic root of 4402544129 is about 1638.9583074712.

The spelling of 4402544129 in words is "four billion, four hundred two million, five hundred forty-four thousand, one hundred twenty-nine".