4331444413 has 2 divisors, whose sum is σ = 4331444414. Its totient is φ = 4331444412.

The previous prime is 4331444401. The next prime is 4331444419. The reversal of 4331444413 is 3144441334.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2418869124 + 1912575289 = 49182^2 + 43733^2 .

It is a cyclic number.

It is not a de Polignac number, because 4331444413 - 2²¹ = 4329347261 is a prime.

It is a super-2 number, since 2×4331444413² = 37522821405817829138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4331444419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2165722206 + 2165722207.

It is an arithmetic number, because the mean of its divisors is an integer number (2165722207).

Almost surely, 2^4331444413 is an apocalyptic number.

It is an amenable number.

4331444413 is a deficient number, since it is larger than the sum of its proper divisors (1).

4331444413 is an equidigital number, since it uses as much as digits as its factorization.

4331444413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 31.

The square root of 4331444413 is about 65813.7099167035. The cubic root of 4331444413 is about 1630.0874923867.

Adding to 4331444413 its reverse (3144441334), we get a palindrome (7475885747).

The spelling of 4331444413 in words is "four billion, three hundred thirty-one million, four hundred forty-four thousand, four hundred thirteen".