486188961 has 4 divisors (see below), whose sum is σ = 648251952. Its totient is φ = 324125972.

The previous prime is 486188957. The next prime is 486188999. The reversal of 486188961 is 169881684.

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 486188961 - 2² = 486188957 is a prime.

It is not an unprimeable number, because it can be changed into a prime (486188561) 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, 81031491 + ... + 81031496.

It is an arithmetic number, because the mean of its divisors is an integer number (162062988).

Almost surely, 2^486188961 is an apocalyptic number.

It is an amenable number.

486188961 is a deficient number, since it is larger than the sum of its proper divisors (162062991).

486188961 is a wasteful number, since it uses less digits than its factorization.

486188961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162062990.

The product of its digits is 663552, while the sum is 51.

The square root of 486188961 is about 22049.6929910600. The cubic root of 486188961 is about 786.3243017497.

The spelling of 486188961 in words is "four hundred eighty-six million, one hundred eighty-eight thousand, nine hundred sixty-one".