489389213 has 4 divisors (see below), whose sum is σ = 515146560. Its totient is φ = 463631868.

The previous prime is 489389209. The next prime is 489389221. The reversal of 489389213 is 312983984.

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 not a de Polignac number, because 489389213 - 2² = 489389209 is a prime.

It is a super-4 number, since 4×489389213⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489389203) 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, 12878645 + ... + 12878682.

It is an arithmetic number, because the mean of its divisors is an integer number (128786640).

Almost surely, 2^489389213 is an apocalyptic number.

It is an amenable number.

489389213 is a deficient number, since it is larger than the sum of its proper divisors (25757347).

489389213 is a wasteful number, since it uses less digits than its factorization.

489389213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25757346.

The product of its digits is 373248, while the sum is 47.

The square root of 489389213 is about 22122.1430471824. The cubic root of 489389213 is about 788.0458098417.

The spelling of 489389213 in words is "four hundred eighty-nine million, three hundred eighty-nine thousand, two hundred thirteen".