2283906721 has 2 divisors, whose sum is σ = 2283906722. Its totient is φ = 2283906720.

The previous prime is 2283906707. The next prime is 2283906797. The reversal of 2283906721 is 1276093822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2128530496 + 155376225 = 46136^2 + 12465^2 .

It is a cyclic number.

It is not a de Polignac number, because 2283906721 - 2¹⁵ = 2283873953 is a prime.

It is not a weakly prime, because it can be changed into another prime (2283906221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1141953360 + 1141953361.

It is an arithmetic number, because the mean of its divisors is an integer number (1141953361).

Almost surely, 2^2283906721 is an apocalyptic number.

It is an amenable number.

2283906721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2283906721 is an equidigital number, since it uses as much as digits as its factorization.

2283906721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2283906721 is about 47790.2366702656. The cubic root of 2283906721 is about 1316.9201845290.

The spelling of 2283906721 in words is "two billion, two hundred eighty-three million, nine hundred six thousand, seven hundred twenty-one".