4442144431 has 2 divisors, whose sum is σ = 4442144432. Its totient is φ = 4442144430.

The previous prime is 4442144393. The next prime is 4442144449. The reversal of 4442144431 is 1344412444.

4442144431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4442144431 - 2⁹ = 4442143919 is a prime.

It is a super-2 number, since 2×4442144431² = 39465294291728627522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4442144393 and 4442144402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4442144461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221072215 + 2221072216.

It is an arithmetic number, because the mean of its divisors is an integer number (2221072216).

Almost surely, 2^4442144431 is an apocalyptic number.

4442144431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442144431 is an equidigital number, since it uses as much as digits as its factorization.

4442144431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 31.

The square root of 4442144431 is about 66649.4143335108. The cubic root of 4442144431 is about 1643.8577179025.

Adding to 4442144431 its reverse (1344412444), we get a palindrome (5786556875).

The spelling of 4442144431 in words is "four billion, four hundred forty-two million, one hundred forty-four thousand, four hundred thirty-one".