2281012609 has 2 divisors, whose sum is σ = 2281012610. Its totient is φ = 2281012608.

The previous prime is 2281012607. The next prime is 2281012619. The reversal of 2281012609 is 9062101822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2277198400 + 3814209 = 47720^2 + 1953^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281012609 - 2¹ = 2281012607 is a prime.

Together with 2281012607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2281012607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140506304 + 1140506305.

It is an arithmetic number, because the mean of its divisors is an integer number (1140506305).

Almost surely, 2^2281012609 is an apocalyptic number.

It is an amenable number.

2281012609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281012609 is an equidigital number, since it uses as much as digits as its factorization.

2281012609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2281012609 is about 47759.9477491339. The cubic root of 2281012609 is about 1316.3636928128.

The spelling of 2281012609 in words is "two billion, two hundred eighty-one million, twelve thousand, six hundred nine".