489813026 has 4 divisors (see below), whose sum is σ = 734719542. Its totient is φ = 244906512.

The previous prime is 489813011. The next prime is 489813029. The reversal of 489813026 is 620318984.

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

It can be written as a sum of positive squares in only one way, i.e., 374229025 + 115584001 = 19345^2 + 10751^2 .

It is not an unprimeable number, because it can be changed into a prime (489813029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122453255 + ... + 122453258.

Almost surely, 2^489813026 is an apocalyptic number.

489813026 is a deficient number, since it is larger than the sum of its proper divisors (244906516).

489813026 is a wasteful number, since it uses less digits than its factorization.

489813026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244906515.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 489813026 is about 22131.7199060534. The cubic root of 489813026 is about 788.2732278052.

The spelling of 489813026 in words is "four hundred eighty-nine million, eight hundred thirteen thousand, twenty-six".