321410433428039 has 2 divisors, whose sum is σ = 321410433428040. Its totient is φ = 321410433428038.

The previous prime is 321410433427957. The next prime is 321410433428113. The reversal of 321410433428039 is 930824334014123.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321410433428039 - 2¹⁶ = 321410433362503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321410433427984 and 321410433428002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321410453428039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160705216714019 + 160705216714020.

It is an arithmetic number, because the mean of its divisors is an integer number (160705216714020).

Almost surely, 2^{321410433428039} is an apocalyptic number.

321410433428039 is a deficient number, since it is larger than the sum of its proper divisors (1).

321410433428039 is an equidigital number, since it uses as much as digits as its factorization.

321410433428039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 321410433428039 in words is "three hundred twenty-one trillion, four hundred ten billion, four hundred thirty-three million, four hundred twenty-eight thousand, thirty-nine".