489621402612 has 72 divisors (see below), whose sum is σ = 1242685187016. Its totient is φ = 162545025024.

The previous prime is 489621402601. The next prime is 489621402701. The reversal of 489621402612 is 216204126984.

It is a happy number.

489621402612 is a `hidden beast` number, since 4 + 8 + 9 + 6 + 21 + 4 + 0 + 2 + 612 = 666.

489621402612 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 43512291216 + 446109111396 = 208596^2 + 667914^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8967058 + ... + 9021494.

Almost surely, 2^489621402612 is an apocalyptic number.

It is an amenable number.

489621402612 is an abundant number, since it is smaller than the sum of its proper divisors (753063784404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489621402612 is a wasteful number, since it uses less digits than its factorization.

489621402612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55457 (or 55452 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 489621402612 in words is "four hundred eighty-nine billion, six hundred twenty-one million, four hundred two thousand, six hundred twelve".