320430202049 has 2 divisors, whose sum is σ = 320430202050. Its totient is φ = 320430202048.

The previous prime is 320430202003. The next prime is 320430202051. The reversal of 320430202049 is 940202034023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256408551424 + 64021650625 = 506368^2 + 253025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320430202049 is a prime.

Together with 320430202051, 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 (320430202069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160215101024 + 160215101025.

It is an arithmetic number, because the mean of its divisors is an integer number (160215101025).

Almost surely, 2^320430202049 is an apocalyptic number.

It is an amenable number.

320430202049 is a deficient number, since it is larger than the sum of its proper divisors (1).

320430202049 is an equidigital number, since it uses as much as digits as its factorization.

320430202049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 320430202049 in words is "three hundred twenty billion, four hundred thirty million, two hundred two thousand, forty-nine".