10542545549 has 2 divisors, whose sum is σ = 10542545550. Its totient is φ = 10542545548.

The previous prime is 10542545521. The next prime is 10542545569. The reversal of 10542545549 is 94554524501.

10542545549 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., 6285635524 + 4256910025 = 79282^2 + 65245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10542545549 is a prime.

It is a super-2 number, since 2×10542545549² (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 (10542545569) 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, 5271272774 + 5271272775.

It is an arithmetic number, because the mean of its divisors is an integer number (5271272775).

Almost surely, 2^10542545549 is an apocalyptic number.

It is an amenable number.

10542545549 is a deficient number, since it is larger than the sum of its proper divisors (1).

10542545549 is an equidigital number, since it uses as much as digits as its factorization.

10542545549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 10542545549 in words is "ten billion, five hundred forty-two million, five hundred forty-five thousand, five hundred forty-nine".