3098006861 has 2 divisors, whose sum is σ = 3098006862. Its totient is φ = 3098006860.

The previous prime is 3098006843. The next prime is 3098006909. The reversal of 3098006861 is 1686008903.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2346918025 + 751088836 = 48445^2 + 27406^2 .

It is an emirp because it is prime and its reverse (1686008903) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3098006861 - 2⁶ = 3098006797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3098006801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1549003430 + 1549003431.

It is an arithmetic number, because the mean of its divisors is an integer number (1549003431).

Almost surely, 2^3098006861 is an apocalyptic number.

It is an amenable number.

3098006861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3098006861 is an equidigital number, since it uses as much as digits as its factorization.

3098006861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 3098006861 is about 55659.7418337527. The cubic root of 3098006861 is about 1457.7871746959.

The spelling of 3098006861 in words is "three billion, ninety-eight million, six thousand, eight hundred sixty-one".