4002442013 has 2 divisors, whose sum is σ = 4002442014. Its totient is φ = 4002442012.

The previous prime is 4002442001. The next prime is 4002442043. The reversal of 4002442013 is 3102442004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3071154724 + 931287289 = 55418^2 + 30517^2 .

It is a cyclic number.

It is not a de Polignac number, because 4002442013 - 2⁴ = 4002441997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4002442043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001221006 + 2001221007.

It is an arithmetic number, because the mean of its divisors is an integer number (2001221007).

Almost surely, 2^4002442013 is an apocalyptic number.

It is an amenable number.

4002442013 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002442013 is an equidigital number, since it uses as much as digits as its factorization.

4002442013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4002442013 is about 63264.8560655914. The cubic root of 4002442013 is about 1587.7240240857.

Adding to 4002442013 its reverse (3102442004), we get a palindrome (7104884017).

Subtracting from 4002442013 its reverse (3102442004), we obtain a palindrome (900000009).

The spelling of 4002442013 in words is "four billion, two million, four hundred forty-two thousand, thirteen".