489354909 has 16 divisors (see below), whose sum is σ = 666484800. Its totient is φ = 319280256.

The previous prime is 489354907. The next prime is 489354941. The reversal of 489354909 is 909453984.

It is not a de Polignac number, because 489354909 - 2¹ = 489354907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489354907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34497 + ... + 46569.

It is an arithmetic number, because the mean of its divisors is an integer number (41655300).

Almost surely, 2^489354909 is an apocalyptic number.

It is an amenable number.

489354909 is a deficient number, since it is larger than the sum of its proper divisors (177129891).

489354909 is a wasteful number, since it uses less digits than its factorization.

489354909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12364.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 489354909 is about 22121.3677018398. The cubic root of 489354909 is about 788.0273965798.

The spelling of 489354909 in words is "four hundred eighty-nine million, three hundred fifty-four thousand, nine hundred nine".