6006722621 has 2 divisors, whose sum is σ = 6006722622. Its totient is φ = 6006722620.

The previous prime is 6006722599. The next prime is 6006722627. The reversal of 6006722621 is 1262276006.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5958141721 + 48580900 = 77189^2 + 6970^2 .

It is a cyclic number.

It is not a de Polignac number, because 6006722621 - 2¹⁰ = 6006721597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6006722627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3003361310 + 3003361311.

It is an arithmetic number, because the mean of its divisors is an integer number (3003361311).

Almost surely, 2^6006722621 is an apocalyptic number.

It is an amenable number.

6006722621 is a deficient number, since it is larger than the sum of its proper divisors (1).

6006722621 is an equidigital number, since it uses as much as digits as its factorization.

6006722621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 6006722621 is about 77503.0491077609. The cubic root of 6006722621 is about 1817.7989958069.

Adding to 6006722621 its reverse (1262276006), we get a palindrome (7268998627).

The spelling of 6006722621 in words is "six billion, six million, seven hundred twenty-two thousand, six hundred twenty-one".