6618858299 has 2 divisors, whose sum is σ = 6618858300. Its totient is φ = 6618858298.

The previous prime is 6618858289. The next prime is 6618858361. The reversal of 6618858299 is 9928588166.

It is an a-pointer prime, because the next prime (6618858361) can be obtained adding 6618858299 to its sum of digits (62).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6618858299 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6618858209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3309429149 + 3309429150.

It is an arithmetic number, because the mean of its divisors is an integer number (3309429150).

Almost surely, 2^6618858299 is an apocalyptic number.

6618858299 is a deficient number, since it is larger than the sum of its proper divisors (1).

6618858299 is an equidigital number, since it uses as much as digits as its factorization.

6618858299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14929920, while the sum is 62.

The square root of 6618858299 is about 81356.3660631422. The cubic root of 6618858299 is about 1877.5623207168.

The spelling of 6618858299 in words is "six billion, six hundred eighteen million, eight hundred fifty-eight thousand, two hundred ninety-nine".