4890889221 has 8 divisors (see below), whose sum is σ = 6680239104. Its totient is φ = 3181066080.

The previous prime is 4890889219. The next prime is 4890889247. The reversal of 4890889221 is 1229880984.

It is a happy number.

4890889221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4890889221 - 2¹ = 4890889219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4890889261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19881541 + ... + 19881786.

It is an arithmetic number, because the mean of its divisors is an integer number (835029888).

Almost surely, 2^4890889221 is an apocalyptic number.

4890889221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4890889221 is a deficient number, since it is larger than the sum of its proper divisors (1789349883).

4890889221 is a wasteful number, since it uses less digits than its factorization.

4890889221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39763371.

The product of its (nonzero) digits is 663552, while the sum is 51.

The square root of 4890889221 is about 69934.8927288803. The cubic root of 4890889221 is about 1697.4459017567.

The spelling of 4890889221 in words is "four billion, eight hundred ninety million, eight hundred eighty-nine thousand, two hundred twenty-one".