10301716721 has 4 divisors (see below), whose sum is σ = 10749617472. Its totient is φ = 9853815972.

The previous prime is 10301716717. The next prime is 10301716739. The reversal of 10301716721 is 12761710301.

10301716721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12761710301 = 11777 ⋅1083613.

It is a cyclic number.

It is not a de Polignac number, because 10301716721 - 2² = 10301716717 is a prime.

It is a super-2 number, since 2×10301716721² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10301716741) 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 in 3 ways as a sum of consecutive naturals, for example, 223950341 + ... + 223950386.

It is an arithmetic number, because the mean of its divisors is an integer number (2687404368).

Almost surely, 2^10301716721 is an apocalyptic number.

It is an amenable number.

10301716721 is a deficient number, since it is larger than the sum of its proper divisors (447900751).

10301716721 is an equidigital number, since it uses as much as digits as its factorization.

10301716721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447900750.

The product of its (nonzero) digits is 1764, while the sum is 29.

The spelling of 10301716721 in words is "ten billion, three hundred one million, seven hundred sixteen thousand, seven hundred twenty-one".