4443400013 has 4 divisors (see below), whose sum is σ = 4785200028. Its totient is φ = 4101600000.

The previous prime is 4443399997. The next prime is 4443400033. The reversal of 4443400013 is 3100043444.

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 2725048804 + 1718351209 = 52202^2 + 41453^2 .

It is a cyclic number.

It is not a de Polignac number, because 4443400013 - 2⁴ = 4443399997 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 (4443400033) 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, 170899988 + ... + 170900013.

It is an arithmetic number, because the mean of its divisors is an integer number (1196300007).

Almost surely, 2^4443400013 is an apocalyptic number.

It is an amenable number.

4443400013 is a deficient number, since it is larger than the sum of its proper divisors (341800015).

4443400013 is a wasteful number, since it uses less digits than its factorization.

4443400013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341800014.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4443400013 is about 66658.8329705824. The cubic root of 4443400013 is about 1644.0125833253.

Adding to 4443400013 its reverse (3100043444), we get a palindrome (7543443457).

The spelling of 4443400013 in words is "four billion, four hundred forty-three million, four hundred thousand, thirteen".