604999285489 has 3 divisors (see below), whose sum is σ = 605000063307. Its totient is φ = 604998507672.

The previous prime is 604999285463. The next prime is 604999285493. The reversal of 604999285489 is 984582999406.

The square root of 604999285489 is 777817.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 984582999406 = 2 ⋅492291499703.

It can be written as a sum of positive squares in only one way, i.e., 971880625 + 604027404864 = 31175^2 + 777192^2 .

It is not a de Polignac number, because 604999285489 - 2²¹ = 604997188337 is a prime.

It is a super-3 number, since 3×604999285489³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604999285459) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 388909 + ... + 1166725.

It is an arithmetic number, because the mean of its divisors is an integer number (201666687769).

Almost surely, 2^604999285489 is an apocalyptic number.

604999285489 is the 777817-th square number.

604999285489 is the 388909-th centered octagonal number.

It is an amenable number.

604999285489 is a deficient number, since it is larger than the sum of its proper divisors (777818).

604999285489 is an frugal number, since it uses more digits than its factorization.

604999285489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555634 (or 777817 counting only the distinct ones).

The product of its (nonzero) digits is 403107840, while the sum is 73.

The spelling of 604999285489 in words is "six hundred four billion, nine hundred ninety-nine million, two hundred eighty-five thousand, four hundred eighty-nine".