832644068309 has 2 divisors, whose sum is σ = 832644068310. Its totient is φ = 832644068308.

The previous prime is 832644068237. The next prime is 832644068317. The reversal of 832644068309 is 903860446238.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 824709178225 + 7934890084 = 908135^2 + 89078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-832644068309 is a prime.

It is a super-2 number, since 2×832644068309² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (832644068339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 416322034154 + 416322034155.

It is an arithmetic number, because the mean of its divisors is an integer number (416322034155).

Almost surely, 2^832644068309 is an apocalyptic number.

It is an amenable number.

832644068309 is a deficient number, since it is larger than the sum of its proper divisors (1).

832644068309 is an equidigital number, since it uses as much as digits as its factorization.

832644068309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5971968, while the sum is 53.

The spelling of 832644068309 in words is "eight hundred thirty-two billion, six hundred forty-four million, sixty-eight thousand, three hundred nine".