7842202213 has 2 divisors, whose sum is σ = 7842202214. Its totient is φ = 7842202212.

The previous prime is 7842202211. The next prime is 7842202309. The reversal of 7842202213 is 3122022487.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7825702369 + 16499844 = 88463^2 + 4062^2 .

It is a cyclic number.

It is not a de Polignac number, because 7842202213 - 2¹ = 7842202211 is a prime.

Together with 7842202211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7842202211) 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, 3921101106 + 3921101107.

It is an arithmetic number, because the mean of its divisors is an integer number (3921101107).

Almost surely, 2^7842202213 is an apocalyptic number.

It is an amenable number.

7842202213 is a deficient number, since it is larger than the sum of its proper divisors (1).

7842202213 is an equidigital number, since it uses as much as digits as its factorization.

7842202213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 7842202213 is about 88556.2093418638. The cubic root of 7842202213 is about 1986.7627655188.

The spelling of 7842202213 in words is "seven billion, eight hundred forty-two million, two hundred two thousand, two hundred thirteen".