489808309305386 has 16 divisors (see below), whose sum is σ = 746524300078080. Its totient is φ = 240980429402160.

The previous prime is 489808309305361. The next prime is 489808309305421. The reversal of 489808309305386 is 683503903808984.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3388291466 + ... + 3388436021.

It is an arithmetic number, because the mean of its divisors is an integer number (46657768754880).

Almost surely, 2^{489808309305386} is an apocalyptic number.

489808309305386 is a deficient number, since it is larger than the sum of its proper divisors (256715990772694).

489808309305386 is a wasteful number, since it uses less digits than its factorization.

489808309305386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776728069.

The product of its (nonzero) digits is 1074954240, while the sum is 74.

The spelling of 489808309305386 in words is "four hundred eighty-nine trillion, eight hundred eight billion, three hundred nine million, three hundred five thousand, three hundred eighty-six".