5976391721 has 2 divisors, whose sum is σ = 5976391722. Its totient is φ = 5976391720.

The previous prime is 5976391709. The next prime is 5976391723. The reversal of 5976391721 is 1271936795.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5930694121 + 45697600 = 77011^2 + 6760^2 .

It is a cyclic number.

It is not a de Polignac number, because 5976391721 - 2⁶ = 5976391657 is a prime.

Together with 5976391723, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5976391721.

It is not a weakly prime, because it can be changed into another prime (5976391723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2988195860 + 2988195861.

It is an arithmetic number, because the mean of its divisors is an integer number (2988195861).

Almost surely, 2^5976391721 is an apocalyptic number.

It is an amenable number.

5976391721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5976391721 is an equidigital number, since it uses as much as digits as its factorization.

5976391721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 714420, while the sum is 50.

The square root of 5976391721 is about 77307.1259393337. The cubic root of 5976391721 is about 1814.7341773625.

The spelling of 5976391721 in words is "five billion, nine hundred seventy-six million, three hundred ninety-one thousand, seven hundred twenty-one".