4609144129 has 2 divisors, whose sum is σ = 4609144130. Its totient is φ = 4609144128.

The previous prime is 4609144117. The next prime is 4609144147. The reversal of 4609144129 is 9214419064.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4577199025 + 31945104 = 67655^2 + 5652^2 .

It is a cyclic number.

It is not a de Polignac number, because 4609144129 - 2¹¹ = 4609142081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4609144091 and 4609144100.

It is not a weakly prime, because it can be changed into another prime (4609144429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2304572064 + 2304572065.

It is an arithmetic number, because the mean of its divisors is an integer number (2304572065).

Almost surely, 2^4609144129 is an apocalyptic number.

It is an amenable number.

4609144129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4609144129 is an equidigital number, since it uses as much as digits as its factorization.

4609144129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 4609144129 is about 67890.6777768495. The cubic root of 4609144129 is about 1664.2047718260.

The spelling of 4609144129 in words is "four billion, six hundred nine million, one hundred forty-four thousand, one hundred twenty-nine".