489737999 has 4 divisors (see below), whose sum is σ = 489928320. Its totient is φ = 489547680.

The previous prime is 489737953. The next prime is 489738013. The reversal of 489737999 is 999737984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 489737999 - 2²⁰ = 488689423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489737909) 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, 91247 + ... + 96464.

It is an arithmetic number, because the mean of its divisors is an integer number (122482080).

Almost surely, 2^489737999 is an apocalyptic number.

489737999 is a deficient number, since it is larger than the sum of its proper divisors (190321).

489737999 is a wasteful number, since it uses less digits than its factorization.

489737999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190320.

The product of its digits is 30862944, while the sum is 65.

The square root of 489737999 is about 22130.0248305328. The cubic root of 489737999 is about 788.2329778920.

The spelling of 489737999 in words is "four hundred eighty-nine million, seven hundred thirty-seven thousand, nine hundred ninety-nine".