5164400321 has 2 divisors, whose sum is σ = 5164400322. Its totient is φ = 5164400320.

The previous prime is 5164400309. The next prime is 5164400323. The reversal of 5164400321 is 1230044615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4216684096 + 947716225 = 64936^2 + 30785^2 .

It is a cyclic number.

It is not a de Polignac number, because 5164400321 - 2¹⁴ = 5164383937 is a prime.

Together with 5164400323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5164400323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2582200160 + 2582200161.

It is an arithmetic number, because the mean of its divisors is an integer number (2582200161).

Almost surely, 2^5164400321 is an apocalyptic number.

It is an amenable number.

5164400321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5164400321 is an equidigital number, since it uses as much as digits as its factorization.

5164400321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 5164400321 is about 71863.7622240862. The cubic root of 5164400321 is about 1728.5155855722.

Adding to 5164400321 its reverse (1230044615), we get a palindrome (6394444936).

The spelling of 5164400321 in words is "five billion, one hundred sixty-four million, four hundred thousand, three hundred twenty-one".