489654683693 has 32 divisors (see below), whose sum is σ = 572042929920. Its totient is φ = 410453360640.

The previous prime is 489654683689. The next prime is 489654683699. The reversal of 489654683693 is 396386456984.

It is a cyclic number.

It is not a de Polignac number, because 489654683693 - 2² = 489654683689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489654683699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129092405 + ... + 129096197.

It is an arithmetic number, because the mean of its divisors is an integer number (17876341560).

Almost surely, 2^489654683693 is an apocalyptic number.

It is an amenable number.

489654683693 is a deficient number, since it is larger than the sum of its proper divisors (82388246227).

489654683693 is a wasteful number, since it uses less digits than its factorization.

489654683693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397.

The product of its digits is 806215680, while the sum is 71.

The spelling of 489654683693 in words is "four hundred eighty-nine billion, six hundred fifty-four million, six hundred eighty-three thousand, six hundred ninety-three".