4419220913 has 4 divisors (see below), whose sum is σ = 4426574628. Its totient is φ = 4411867200.

The previous prime is 4419220877. The next prime is 4419220937. The reversal of 4419220913 is 3190229144.

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 3130626304 + 1288594609 = 55952^2 + 35897^2 .

It is a cyclic number.

It is not a de Polignac number, because 4419220913 - 2¹² = 4419216817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4419220973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3675956 + ... + 3677157.

It is an arithmetic number, because the mean of its divisors is an integer number (1106643657).

Almost surely, 2^4419220913 is an apocalyptic number.

It is an amenable number.

4419220913 is a deficient number, since it is larger than the sum of its proper divisors (7353715).

4419220913 is an equidigital number, since it uses as much as digits as its factorization.

4419220913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7353714.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 4419220913 is about 66477.2210084026. The cubic root of 4419220913 is about 1641.0251513634.

The spelling of 4419220913 in words is "four billion, four hundred nineteen million, two hundred twenty thousand, nine hundred thirteen".