2998261109 has 2 divisors, whose sum is σ = 2998261110. Its totient is φ = 2998261108.

The previous prime is 2998261087. The next prime is 2998261171. The reversal of 2998261109 is 9011628992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1582846225 + 1415414884 = 39785^2 + 37622^2 .

It is a cyclic number.

It is not a de Polignac number, because 2998261109 - 2²⁴ = 2981483893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2998266109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1499130554 + 1499130555.

It is an arithmetic number, because the mean of its divisors is an integer number (1499130555).

Almost surely, 2^2998261109 is an apocalyptic number.

It is an amenable number.

2998261109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2998261109 is an equidigital number, since it uses as much as digits as its factorization.

2998261109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 2998261109 is about 54756.3796191823. The cubic root of 2998261109 is about 1441.9708592509.

The spelling of 2998261109 in words is "two billion, nine hundred ninety-eight million, two hundred sixty-one thousand, one hundred nine".