10513504549 has 2 divisors, whose sum is σ = 10513504550. Its totient is φ = 10513504548.

The previous prime is 10513504489. The next prime is 10513504607. The reversal of 10513504549 is 94540531501.

10513504549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9878968449 + 634536100 = 99393^2 + 25190^2 .

It is a cyclic number.

It is not a de Polignac number, because 10513504549 - 2⁹ = 10513504037 is a prime.

It is a super-2 number, since 2×10513504549² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10513504849) 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, 5256752274 + 5256752275.

It is an arithmetic number, because the mean of its divisors is an integer number (5256752275).

Almost surely, 2^10513504549 is an apocalyptic number.

It is an amenable number.

10513504549 is a deficient number, since it is larger than the sum of its proper divisors (1).

10513504549 is an equidigital number, since it uses as much as digits as its factorization.

10513504549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 10513504549 in words is "ten billion, five hundred thirteen million, five hundred four thousand, five hundred forty-nine".