489311101 has 4 divisors (see below), whose sum is σ = 489494304. Its totient is φ = 489127900.

The previous prime is 489311093. The next prime is 489311111. The reversal of 489311101 is 101113984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 489311101 - 2³ = 489311093 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 489311101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489311111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87535 + ... + 92956.

It is an arithmetic number, because the mean of its divisors is an integer number (122373576).

Almost surely, 2^489311101 is an apocalyptic number.

It is an amenable number.

489311101 is a deficient number, since it is larger than the sum of its proper divisors (183203).

489311101 is a wasteful number, since it uses less digits than its factorization.

489311101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183202.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 489311101 is about 22120.3775058203. The cubic root of 489311101 is about 788.0038806314.

The spelling of 489311101 in words is "four hundred eighty-nine million, three hundred eleven thousand, one hundred one".