6210661060249 has 2 divisors, whose sum is σ = 6210661060250. Its totient is φ = 6210661060248.

The previous prime is 6210661060237. The next prime is 6210661060297. The reversal of 6210661060249 is 9420601660126.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6149507232400 + 61153827849 = 2479820^2 + 247293^2 .

It is a cyclic number.

It is not a de Polignac number, because 6210661060249 - 2⁵ = 6210661060217 is a prime.

It is not a weakly prime, because it can be changed into another prime (6210661063249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3105330530124 + 3105330530125.

It is an arithmetic number, because the mean of its divisors is an integer number (3105330530125).

Almost surely, 2^{6210661060249} is an apocalyptic number.

It is an amenable number.

6210661060249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6210661060249 is an equidigital number, since it uses as much as digits as its factorization.

6210661060249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 6210661060249 in words is "six trillion, two hundred ten billion, six hundred sixty-one million, sixty thousand, two hundred forty-nine".