489759455 has 4 divisors (see below), whose sum is σ = 587711352. Its totient is φ = 391807560.

The previous prime is 489759451. The next prime is 489759461. The reversal of 489759455 is 554957984.

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

It is not a de Polignac number, because 489759455 - 2² = 489759451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489759455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489759451) 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, 48975941 + ... + 48975950.

It is an arithmetic number, because the mean of its divisors is an integer number (146927838).

Almost surely, 2^489759455 is an apocalyptic number.

489759455 is a deficient number, since it is larger than the sum of its proper divisors (97951897).

489759455 is an equidigital number, since it uses as much as digits as its factorization.

489759455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97951896.

The product of its digits is 9072000, while the sum is 56.

The square root of 489759455 is about 22130.5095964824. The cubic root of 489759455 is about 788.2444888631.

The spelling of 489759455 in words is "four hundred eighty-nine million, seven hundred fifty-nine thousand, four hundred fifty-five".