489334399402121 has 32 divisors (see below), whose sum is σ = 614552432256000. Its totient is φ = 387163324981440.

The previous prime is 489334399402117. The next prime is 489334399402133. The reversal of 489334399402121 is 121204993433984.

It is a happy number.

It is not a de Polignac number, because 489334399402121 - 2² = 489334399402117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489336399402121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1312895531 + ... + 1313268191.

It is an arithmetic number, because the mean of its divisors is an integer number (19204763508000).

Almost surely, 2^{489334399402121} is an apocalyptic number.

It is an amenable number.

489334399402121 is a deficient number, since it is larger than the sum of its proper divisors (125218032853879).

489334399402121 is a wasteful number, since it uses less digits than its factorization.

489334399402121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667174 (or 667160 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 62.

The spelling of 489334399402121 in words is "four hundred eighty-nine trillion, three hundred thirty-four billion, three hundred ninety-nine million, four hundred two thousand, one hundred twenty-one".