5144690321 has 2 divisors, whose sum is σ = 5144690322. Its totient is φ = 5144690320.

The previous prime is 5144690269. The next prime is 5144690333. The reversal of 5144690321 is 1230964415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3509377600 + 1635312721 = 59240^2 + 40439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5144690321 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 (5144690521) 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, 2572345160 + 2572345161.

It is an arithmetic number, because the mean of its divisors is an integer number (2572345161).

Almost surely, 2^5144690321 is an apocalyptic number.

It is an amenable number.

5144690321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5144690321 is an equidigital number, since it uses as much as digits as its factorization.

5144690321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 5144690321 is about 71726.4966452426. The cubic root of 5144690321 is about 1726.3138148698.

The spelling of 5144690321 in words is "five billion, one hundred forty-four million, six hundred ninety thousand, three hundred twenty-one".