2281736129 has 2 divisors, whose sum is σ = 2281736130. Its totient is φ = 2281736128.

The previous prime is 2281736117. The next prime is 2281736167. The reversal of 2281736129 is 9216371822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1768623025 + 513113104 = 42055^2 + 22652^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281736129 - 2¹⁶ = 2281670593 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2281736029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140868064 + 1140868065.

It is an arithmetic number, because the mean of its divisors is an integer number (1140868065).

Almost surely, 2^2281736129 is an apocalyptic number.

It is an amenable number.

2281736129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281736129 is an equidigital number, since it uses as much as digits as its factorization.

2281736129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 2281736129 is about 47767.5216962321. The cubic root of 2281736129 is about 1316.5028583123.

The spelling of 2281736129 in words is "two billion, two hundred eighty-one million, seven hundred thirty-six thousand, one hundred twenty-nine".