4442413243 has 4 divisors (see below), whose sum is σ = 4585716928. Its totient is φ = 4299109560.

The previous prime is 4442413231. The next prime is 4442413249. The reversal of 4442413243 is 3423142444.

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 4442413243 - 2⁵ = 4442413211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 143303653 = 4442413243 / (4 + 4 + 4 + 2 + 4 + 1 + 3 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4442413249) 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, 71651796 + ... + 71651857.

It is an arithmetic number, because the mean of its divisors is an integer number (1146429232).

Almost surely, 2^4442413243 is an apocalyptic number.

4442413243 is a deficient number, since it is larger than the sum of its proper divisors (143303685).

4442413243 is a wasteful number, since it uses less digits than its factorization.

4442413243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143303684.

The product of its digits is 36864, while the sum is 31.

The square root of 4442413243 is about 66651.4309148723. The cubic root of 4442413243 is about 1643.8908760445.

Adding to 4442413243 its reverse (3423142444), we get a palindrome (7865555687).

The spelling of 4442413243 in words is "four billion, four hundred forty-two million, four hundred thirteen thousand, two hundred forty-three".