6720259963 has 2 divisors, whose sum is σ = 6720259964. Its totient is φ = 6720259962.

The previous prime is 6720259957. The next prime is 6720259993. The reversal of 6720259963 is 3699520276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6720259963 - 2²¹ = 6718162811 is a prime.

It is a super-2 number, since 2×6720259963² = 90323787940601522738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6720259913) 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, 3360129981 + 3360129982.

It is an arithmetic number, because the mean of its divisors is an integer number (3360129982).

Almost surely, 2^6720259963 is an apocalyptic number.

6720259963 is a deficient number, since it is larger than the sum of its proper divisors (1).

6720259963 is an equidigital number, since it uses as much as digits as its factorization.

6720259963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The square root of 6720259963 is about 81977.1917242839. The cubic root of 6720259963 is about 1887.1019256597.

The spelling of 6720259963 in words is "six billion, seven hundred twenty million, two hundred fifty-nine thousand, nine hundred sixty-three".