2998447871 has 2 divisors, whose sum is σ = 2998447872. Its totient is φ = 2998447870.

The previous prime is 2998447867. The next prime is 2998447901. The reversal of 2998447871 is 1787448992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2998447871 - 2² = 2998447867 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2998447871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2998447841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1499223935 + 1499223936.

It is an arithmetic number, because the mean of its divisors is an integer number (1499223936).

Almost surely, 2^2998447871 is an apocalyptic number.

2998447871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2998447871 is an equidigital number, since it uses as much as digits as its factorization.

2998447871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 59.

The square root of 2998447871 is about 54758.0849829502. The cubic root of 2998447871 is about 1442.0007988015. Note that the first 3 decimals are identical.

The spelling of 2998447871 in words is "two billion, nine hundred ninety-eight million, four hundred forty-seven thousand, eight hundred seventy-one".