10579144721 has 2 divisors, whose sum is σ = 10579144722. Its totient is φ = 10579144720.

The previous prime is 10579144687. The next prime is 10579144739. The reversal of 10579144721 is 12744197501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6513297025 + 4065847696 = 80705^2 + 63764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10579144721 is a prime.

It is a super-2 number, since 2×10579144721² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10579144021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5289572360 + 5289572361.

It is an arithmetic number, because the mean of its divisors is an integer number (5289572361).

Almost surely, 2^10579144721 is an apocalyptic number.

It is an amenable number.

10579144721 is a deficient number, since it is larger than the sum of its proper divisors (1).

10579144721 is an equidigital number, since it uses as much as digits as its factorization.

10579144721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 10579144721 in words is "ten billion, five hundred seventy-nine million, one hundred forty-four thousand, seven hundred twenty-one".