489984462851 has 8 divisors (see below), whose sum is σ = 527685441360. Its totient is φ = 452284893792.

The previous prime is 489984462823. The next prime is 489984462881. The reversal of 489984462851 is 158264489984.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489984462851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489984462881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434816 + ... + 1081218.

It is an arithmetic number, because the mean of its divisors is an integer number (65960680170).

Almost surely, 2^489984462851 is an apocalyptic number.

489984462851 is a deficient number, since it is larger than the sum of its proper divisors (37700978509).

489984462851 is a wasteful number, since it uses less digits than its factorization.

489984462851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704725.

The product of its digits is 159252480, while the sum is 68.

The spelling of 489984462851 in words is "four hundred eighty-nine billion, nine hundred eighty-four million, four hundred sixty-two thousand, eight hundred fifty-one".