321243485986 has 16 divisors (see below), whose sum is σ = 520935384960. Its totient is φ = 148055318640.

The previous prime is 321243485957. The next prime is 321243485987. The reversal of 321243485986 is 689584342123.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (321243485987) 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 7 ways as a sum of consecutive naturals, for example, 114238810 + ... + 114241621.

It is an arithmetic number, because the mean of its divisors is an integer number (32558461560).

Almost surely, 2^321243485986 is an apocalyptic number.

321243485986 is a deficient number, since it is larger than the sum of its proper divisors (199691898974).

321243485986 is a wasteful number, since it uses less digits than its factorization.

321243485986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228480489.

The product of its digits is 9953280, while the sum is 55.

The spelling of 321243485986 in words is "three hundred twenty-one billion, two hundred forty-three million, four hundred eighty-five thousand, nine hundred eighty-six".