10456570721 has 2 divisors, whose sum is σ = 10456570722. Its totient is φ = 10456570720.

The previous prime is 10456570717. The next prime is 10456570741. The reversal of 10456570721 is 12707565401.

10456570721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9902439121 + 554131600 = 99511^2 + 23540^2 .

It is a cyclic number.

It is not a de Polignac number, because 10456570721 - 2² = 10456570717 is a prime.

It is not a weakly prime, because it can be changed into another prime (10456570741) 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, 5228285360 + 5228285361.

It is an arithmetic number, because the mean of its divisors is an integer number (5228285361).

Almost surely, 2^10456570721 is an apocalyptic number.

It is an amenable number.

10456570721 is a deficient number, since it is larger than the sum of its proper divisors (1).

10456570721 is an equidigital number, since it uses as much as digits as its factorization.

10456570721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 10456570721 in words is "ten billion, four hundred fifty-six million, five hundred seventy thousand, seven hundred twenty-one".