6618228079 has 2 divisors, whose sum is σ = 6618228080. Its totient is φ = 6618228078.

The previous prime is 6618228049. The next prime is 6618228179. The reversal of 6618228079 is 9708228166.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6618228079 - 2¹⁹ = 6617703791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6618228049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3309114039 + 3309114040.

It is an arithmetic number, because the mean of its divisors is an integer number (3309114040).

Almost surely, 2^6618228079 is an apocalyptic number.

6618228079 is a deficient number, since it is larger than the sum of its proper divisors (1).

6618228079 is an equidigital number, since it uses as much as digits as its factorization.

6618228079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 6618228079 is about 81352.4927645121. The cubic root of 6618228079 is about 1877.5027276153.

The spelling of 6618228079 in words is "six billion, six hundred eighteen million, two hundred twenty-eight thousand, seventy-nine".