321350488536 has 64 divisors (see below), whose sum is σ = 1001611918080. Its totient is φ = 83467658880.

The previous prime is 321350488523. The next prime is 321350488561. The reversal of 321350488536 is 635884053123.

It is a happy number.

It is a super-2 number, since 2×321350488536² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86943631 + ... + 86947326.

It is an arithmetic number, because the mean of its divisors is an integer number (15650186220).

Almost surely, 2^321350488536 is an apocalyptic number.

It is an amenable number.

321350488536 is an abundant number, since it is smaller than the sum of its proper divisors (680261429544).

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

321350488536 is a wasteful number, since it uses less digits than its factorization.

321350488536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173890984 (or 173890980 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 321350488536 in words is "three hundred twenty-one billion, three hundred fifty million, four hundred eighty-eight thousand, five hundred thirty-six".