489686904766 has 8 divisors (see below), whose sum is σ = 734595618744. Its totient is φ = 244821698520.

The previous prime is 489686904761. The next prime is 489686904767. The reversal of 489686904766 is 667409686984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489686904761) 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, 10848780 + ... + 10893823.

It is an arithmetic number, because the mean of its divisors is an integer number (91824452343).

Almost surely, 2^489686904766 is an apocalyptic number.

489686904766 is a deficient number, since it is larger than the sum of its proper divisors (244908713978).

489686904766 is a wasteful number, since it uses less digits than its factorization.

489686904766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21753866.

The product of its (nonzero) digits is 752467968, while the sum is 73.

The spelling of 489686904766 in words is "four hundred eighty-nine billion, six hundred eighty-six million, nine hundred four thousand, seven hundred sixty-six".