321393246439 has 8 divisors (see below), whose sum is σ = 322698879360. Its totient is φ = 320088247416.

The previous prime is 321393246371. The next prime is 321393246481. The reversal of 321393246439 is 934642393123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321393246439 - 2¹⁵ = 321393213671 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321393246392 and 321393246401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321393243439) 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, 871152 + ... + 1183930.

It is an arithmetic number, because the mean of its divisors is an integer number (40337359920).

Almost surely, 2^321393246439 is an apocalyptic number.

321393246439 is a deficient number, since it is larger than the sum of its proper divisors (1305632921).

321393246439 is a wasteful number, since it uses less digits than its factorization.

321393246439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316949.

The product of its digits is 2519424, while the sum is 49.

The spelling of 321393246439 in words is "three hundred twenty-one billion, three hundred ninety-three million, two hundred forty-six thousand, four hundred thirty-nine".