489265919 has 4 divisors (see below), whose sum is σ = 489862680. Its totient is φ = 488669160.

The previous prime is 489265883. The next prime is 489265943. The reversal of 489265919 is 919562984.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489265919 is a prime.

It is a super-2 number, since 2×489265919² = 478762278989829122, which contains 22 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 (489265999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297149 + ... + 298790.

It is an arithmetic number, because the mean of its divisors is an integer number (122465670).

Almost surely, 2^489265919 is an apocalyptic number.

489265919 is a deficient number, since it is larger than the sum of its proper divisors (596761).

489265919 is an equidigital number, since it uses as much as digits as its factorization.

489265919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596760.

The product of its digits is 1399680, while the sum is 53.

The square root of 489265919 is about 22119.3562067254. The cubic root of 489265919 is about 787.9796256553.

It can be divided in two parts, 48926 and 5919, that added together give a palindrome (54845).

The spelling of 489265919 in words is "four hundred eighty-nine million, two hundred sixty-five thousand, nine hundred nineteen".