842322713 has 2 divisors, whose sum is σ = 842322714. Its totient is φ = 842322712.

The previous prime is 842322671. The next prime is 842322739. The reversal of 842322713 is 317223248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 793154569 + 49168144 = 28163^2 + 7012^2 .

It is a cyclic number.

It is not a de Polignac number, because 842322713 - 2¹⁶ = 842257177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 842322713.

It is not a weakly prime, because it can be changed into another prime (842322413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421161356 + 421161357.

It is an arithmetic number, because the mean of its divisors is an integer number (421161357).

Almost surely, 2^842322713 is an apocalyptic number.

It is an amenable number.

842322713 is a deficient number, since it is larger than the sum of its proper divisors (1).

842322713 is an equidigital number, since it uses as much as digits as its factorization.

842322713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The square root of 842322713 is about 29022.7964365945. The cubic root of 842322713 is about 944.4076662736.

The spelling of 842322713 in words is "eight hundred forty-two million, three hundred twenty-two thousand, seven hundred thirteen".