4134664321 has 2 divisors, whose sum is σ = 4134664322. Its totient is φ = 4134664320.

The previous prime is 4134664297. The next prime is 4134664327. The reversal of 4134664321 is 1234664314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3313268721 + 821395600 = 57561^2 + 28660^2 .

It is a cyclic number.

It is not a de Polignac number, because 4134664321 - 2⁹ = 4134663809 is a prime.

It is not a weakly prime, because it can be changed into another prime (4134664327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2067332160 + 2067332161.

It is an arithmetic number, because the mean of its divisors is an integer number (2067332161).

Almost surely, 2^4134664321 is an apocalyptic number.

It is an amenable number.

4134664321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4134664321 is an equidigital number, since it uses as much as digits as its factorization.

4134664321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 34.

The square root of 4134664321 is about 64301.3555144835. The cubic root of 4134664321 is about 1605.0186585047.

The spelling of 4134664321 in words is "four billion, one hundred thirty-four million, six hundred sixty-four thousand, three hundred twenty-one".