4042225493 has 2 divisors, whose sum is σ = 4042225494. Its totient is φ = 4042225492.

The previous prime is 4042225489. The next prime is 4042225511. The reversal of 4042225493 is 3945222404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3003259204 + 1038966289 = 54802^2 + 32233^2 .

It is a cyclic number.

It is not a de Polignac number, because 4042225493 - 2² = 4042225489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4042225193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021112746 + 2021112747.

It is an arithmetic number, because the mean of its divisors is an integer number (2021112747).

Almost surely, 2^4042225493 is an apocalyptic number.

It is an amenable number.

4042225493 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042225493 is an equidigital number, since it uses as much as digits as its factorization.

4042225493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 4042225493 is about 63578.4986689683. The cubic root of 4042225493 is about 1592.9672440741.

Adding to 4042225493 its reverse (3945222404), we get a palindrome (7987447897).

The spelling of 4042225493 in words is "four billion, forty-two million, two hundred twenty-five thousand, four hundred ninety-three".