2991066653 has 2 divisors, whose sum is σ = 2991066654. Its totient is φ = 2991066652.

The previous prime is 2991066647. The next prime is 2991066679. The reversal of 2991066653 is 3566601992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2392872889 + 598193764 = 48917^2 + 24458^2 .

It is a cyclic number.

It is not a de Polignac number, because 2991066653 - 2²² = 2986872349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2991066598 and 2991066607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2991066613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495533326 + 1495533327.

It is an arithmetic number, because the mean of its divisors is an integer number (1495533327).

Almost surely, 2^2991066653 is an apocalyptic number.

It is an amenable number.

2991066653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2991066653 is an equidigital number, since it uses as much as digits as its factorization.

2991066653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 2991066653 is about 54690.6450227093. The cubic root of 2991066653 is about 1440.8165785554.

The spelling of 2991066653 in words is "two billion, nine hundred ninety-one million, sixty-six thousand, six hundred fifty-three".