10549138553 has 2 divisors, whose sum is σ = 10549138554. Its totient is φ = 10549138552.

The previous prime is 10549138549. The next prime is 10549138591. The reversal of 10549138553 is 35583194501.

10549138553 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., 5581285264 + 4967853289 = 74708^2 + 70483^2 .

It is a cyclic number.

It is not a de Polignac number, because 10549138553 - 2² = 10549138549 is a prime.

It is a super-2 number, since 2×10549138553² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10549138753) 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, 5274569276 + 5274569277.

It is an arithmetic number, because the mean of its divisors is an integer number (5274569277).

Almost surely, 2^10549138553 is an apocalyptic number.

It is an amenable number.

10549138553 is a deficient number, since it is larger than the sum of its proper divisors (1).

10549138553 is an equidigital number, since it uses as much as digits as its factorization.

10549138553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 10549138553 in words is "ten billion, five hundred forty-nine million, one hundred thirty-eight thousand, five hundred fifty-three".