413820965321 has 2 divisors, whose sum is σ = 413820965322. Its totient is φ = 413820965320.

The previous prime is 413820965317. The next prime is 413820965323. The reversal of 413820965321 is 123569028314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224216455225 + 189604510096 = 473515^2 + 435436^2 .

It is a cyclic number.

It is not a de Polignac number, because 413820965321 - 2² = 413820965317 is a prime.

Together with 413820965323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (413820965323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206910482660 + 206910482661.

It is an arithmetic number, because the mean of its divisors is an integer number (206910482661).

Almost surely, 2^413820965321 is an apocalyptic number.

It is an amenable number.

413820965321 is a deficient number, since it is larger than the sum of its proper divisors (1).

413820965321 is an equidigital number, since it uses as much as digits as its factorization.

413820965321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 413820965321 in words is "four hundred thirteen billion, eight hundred twenty million, nine hundred sixty-five thousand, three hundred twenty-one".