3216616129 has 2 divisors, whose sum is σ = 3216616130. Its totient is φ = 3216616128.

The previous prime is 3216616111. The next prime is 3216616159. The reversal of 3216616129 is 9216166123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2300161600 + 916454529 = 47960^2 + 30273^2 .

It is a cyclic number.

It is not a de Polignac number, because 3216616129 - 2¹⁷ = 3216485057 is a prime.

It is not a weakly prime, because it can be changed into another prime (3216616159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608308064 + 1608308065.

It is an arithmetic number, because the mean of its divisors is an integer number (1608308065).

Almost surely, 2^3216616129 is an apocalyptic number.

It is an amenable number.

3216616129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3216616129 is an equidigital number, since it uses as much as digits as its factorization.

3216616129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 3216616129 is about 56715.2195534849. The cubic root of 3216616129 is about 1476.1587950631.

The spelling of 3216616129 in words is "three billion, two hundred sixteen million, six hundred sixteen thousand, one hundred twenty-nine".