4242020413 has 4 divisors (see below), whose sum is σ = 4322058588. Its totient is φ = 4161982240.

The previous prime is 4242020411. The next prime is 4242020441. The reversal of 4242020413 is 3140202424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2886160729 + 1355859684 = 53723^2 + 36822^2 .

It is a cyclic number.

It is not a de Polignac number, because 4242020413 - 2¹ = 4242020411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242020411) 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 in 3 ways as a sum of consecutive naturals, for example, 40019008 + ... + 40019113.

It is an arithmetic number, because the mean of its divisors is an integer number (1080514647).

Almost surely, 2^4242020413 is an apocalyptic number.

It is an amenable number.

4242020413 is a deficient number, since it is larger than the sum of its proper divisors (80038175).

4242020413 is an equidigital number, since it uses as much as digits as its factorization.

4242020413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80038174.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4242020413 is about 65130.7946596692. The cubic root of 4242020413 is about 1618.7915100579.

Adding to 4242020413 its reverse (3140202424), we get a palindrome (7382222837).

The spelling of 4242020413 in words is "four billion, two hundred forty-two million, twenty thousand, four hundred thirteen".