321420004000039 has 16 divisors (see below), whose sum is σ = 367681202380800. Its totient is φ = 275244827805504.

The previous prime is 321420004000037. The next prime is 321420004000091. The reversal of 321420004000039 is 930000400024123.

It is a cyclic number.

It is not a de Polignac number, because 321420004000039 - 2¹ = 321420004000037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321420003999980 and 321420004000016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321420004000037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504607347 + ... + 505243915.

It is an arithmetic number, because the mean of its divisors is an integer number (22980075148800).

Almost surely, 2^{321420004000039} is an apocalyptic number.

321420004000039 is a deficient number, since it is larger than the sum of its proper divisors (46261198380761).

321420004000039 is a wasteful number, since it uses less digits than its factorization.

321420004000039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704022.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 321420004000039 in words is "three hundred twenty-one trillion, four hundred twenty billion, four million, thirty-nine", and thus it is an aban number.