6218620117 has 2 divisors, whose sum is σ = 6218620118. Its totient is φ = 6218620116.

The previous prime is 6218620103. The next prime is 6218620127. The reversal of 6218620117 is 7110268126.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5777368081 + 441252036 = 76009^2 + 21006^2 .

It is a cyclic number.

It is not a de Polignac number, because 6218620117 - 2¹¹ = 6218618069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6218620127) 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, 3109310058 + 3109310059.

It is an arithmetic number, because the mean of its divisors is an integer number (3109310059).

Almost surely, 2^6218620117 is an apocalyptic number.

It is an amenable number.

6218620117 is a deficient number, since it is larger than the sum of its proper divisors (1).

6218620117 is an equidigital number, since it uses as much as digits as its factorization.

6218620117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 6218620117 is about 78858.2279600550. The cubic root of 6218620117 is about 1838.9277894854.

The spelling of 6218620117 in words is "six billion, two hundred eighteen million, six hundred twenty thousand, one hundred seventeen".