2004121321039 has 2 divisors, whose sum is σ = 2004121321040. Its totient is φ = 2004121321038.

The previous prime is 2004121321031. The next prime is 2004121321067. The reversal of 2004121321039 is 9301231214002.

It is a happy number.

It is an a-pointer prime, because the next prime (2004121321067) can be obtained adding 2004121321039 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2004121321039 - 2³ = 2004121321031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2004121320998 and 2004121321016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2004121321031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002060660519 + 1002060660520.

It is an arithmetic number, because the mean of its divisors is an integer number (1002060660520).

Almost surely, 2^{2004121321039} is an apocalyptic number.

2004121321039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004121321039 is an equidigital number, since it uses as much as digits as its factorization.

2004121321039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 2004121321039 in words is "two trillion, four billion, one hundred twenty-one million, three hundred twenty-one thousand, thirty-nine".