4684221989 has 4 divisors (see below), whose sum is σ = 4702884480. Its totient is φ = 4665559500.

The previous prime is 4684221967. The next prime is 4684222001. The reversal of 4684221989 is 9891224864.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-4684221989 is a prime.

It is a super-2 number, since 2×4684221989² = 43883871284462232242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4684221989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4684223989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9330869 + ... + 9331370.

It is an arithmetic number, because the mean of its divisors is an integer number (1175721120).

Almost surely, 2^4684221989 is an apocalyptic number.

It is an amenable number.

4684221989 is a deficient number, since it is larger than the sum of its proper divisors (18662491).

4684221989 is a wasteful number, since it uses less digits than its factorization.

4684221989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18662490.

The product of its digits is 1990656, while the sum is 53.

The square root of 4684221989 is about 68441.3762938765. The cubic root of 4684221989 is about 1673.1921671528.

The spelling of 4684221989 in words is "four billion, six hundred eighty-four million, two hundred twenty-one thousand, nine hundred eighty-nine".