320042300069 has 2 divisors, whose sum is σ = 320042300070. Its totient is φ = 320042300068.

The previous prime is 320042300057. The next prime is 320042300111. The reversal of 320042300069 is 960003240023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174839387044 + 145202913025 = 418138^2 + 381055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320042300069 is a prime.

It is a super-2 number, since 2×320042300069² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320042300009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160021150034 + 160021150035.

It is an arithmetic number, because the mean of its divisors is an integer number (160021150035).

Almost surely, 2^320042300069 is an apocalyptic number.

It is an amenable number.

320042300069 is a deficient number, since it is larger than the sum of its proper divisors (1).

320042300069 is an equidigital number, since it uses as much as digits as its factorization.

320042300069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 320042300069 in words is "three hundred twenty billion, forty-two million, three hundred thousand, sixty-nine".