6720713331263 has 4 divisors (see below), whose sum is σ = 7074435085560. Its totient is φ = 6366991576968.

The previous prime is 6720713331257. The next prime is 6720713331313. The reversal of 6720713331263 is 3621333170276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6720713331263 - 2⁴ = 6720713331247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720713331203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176860877120 + ... + 176860877157.

It is an arithmetic number, because the mean of its divisors is an integer number (1768608771390).

Almost surely, 2^{6720713331263} is an apocalyptic number.

6720713331263 is a deficient number, since it is larger than the sum of its proper divisors (353721754297).

6720713331263 is a wasteful number, since it uses less digits than its factorization.

6720713331263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353721754296.

The product of its (nonzero) digits is 571536, while the sum is 44.

The spelling of 6720713331263 in words is "six trillion, seven hundred twenty billion, seven hundred thirteen million, three hundred thirty-one thousand, two hundred sixty-three".