5130720671 has 2 divisors, whose sum is σ = 5130720672. Its totient is φ = 5130720670.

The previous prime is 5130720667. The next prime is 5130720677. The reversal of 5130720671 is 1760270315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5130720671 - 2² = 5130720667 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5130720677) 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, 2565360335 + 2565360336.

It is an arithmetic number, because the mean of its divisors is an integer number (2565360336).

Almost surely, 2^5130720671 is an apocalyptic number.

5130720671 is a deficient number, since it is larger than the sum of its proper divisors (1).

5130720671 is an equidigital number, since it uses as much as digits as its factorization.

5130720671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 5130720671 is about 71629.0490722863. The cubic root of 5130720671 is about 1724.7498813718.

Adding to 5130720671 its reverse (1760270315), we get a palindrome (6890990986).

The spelling of 5130720671 in words is "five billion, one hundred thirty million, seven hundred twenty thousand, six hundred seventy-one".