4420021313 has 4 divisors (see below), whose sum is σ = 4420189488. Its totient is φ = 4419853140.

The previous prime is 4420021271. The next prime is 4420021339. The reversal of 4420021313 is 3131200244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4420021313 - 2⁸ = 4420021057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4420021393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35183 + ... + 100388.

It is an arithmetic number, because the mean of its divisors is an integer number (1105047372).

Almost surely, 2^4420021313 is an apocalyptic number.

It is an amenable number.

4420021313 is a deficient number, since it is larger than the sum of its proper divisors (168175).

4420021313 is a wasteful number, since it uses less digits than its factorization.

4420021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168174.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4420021313 is about 66483.2408430877. The cubic root of 4420021313 is about 1641.1242183910.

Adding to 4420021313 its reverse (3131200244), we get a palindrome (7551221557).

The spelling of 4420021313 in words is "four billion, four hundred twenty million, twenty-one thousand, three hundred thirteen".