2998218409 has 2 divisors, whose sum is σ = 2998218410. Its totient is φ = 2998218408.

The previous prime is 2998218347. The next prime is 2998218467. The reversal of 2998218409 is 9048128992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2978103184 + 20115225 = 54572^2 + 4485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2998218409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2998218499) 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, 1499109204 + 1499109205.

It is an arithmetic number, because the mean of its divisors is an integer number (1499109205).

Almost surely, 2^2998218409 is an apocalyptic number.

It is an amenable number.

2998218409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2998218409 is an equidigital number, since it uses as much as digits as its factorization.

2998218409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 2998218409 is about 54755.9897088894. The cubic root of 2998218409 is about 1441.9640139001.

The spelling of 2998218409 in words is "two billion, nine hundred ninety-eight million, two hundred eighteen thousand, four hundred nine".