10448530721 has 2 divisors, whose sum is σ = 10448530722. Its totient is φ = 10448530720.

The previous prime is 10448530681. The next prime is 10448530753. The reversal of 10448530721 is 12703584401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8521320721 + 1927210000 = 92311^2 + 43900^2 .

It is an emirp because it is prime and its reverse (12703584401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10448530721 - 2²⁶ = 10381421857 is a prime.

It is not a weakly prime, because it can be changed into another prime (10448530121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5224265360 + 5224265361.

It is an arithmetic number, because the mean of its divisors is an integer number (5224265361).

Almost surely, 2^10448530721 is an apocalyptic number.

It is an amenable number.

10448530721 is a deficient number, since it is larger than the sum of its proper divisors (1).

10448530721 is an equidigital number, since it uses as much as digits as its factorization.

10448530721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 10448530721 in words is "ten billion, four hundred forty-eight million, five hundred thirty thousand, seven hundred twenty-one".