3549503161 has 2 divisors, whose sum is σ = 3549503162. Its totient is φ = 3549503160.

The previous prime is 3549503137. The next prime is 3549503171. The reversal of 3549503161 is 1613059453.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2542075561 + 1007427600 = 50419^2 + 31740^2 .

It is a cyclic number.

It is not a de Polignac number, because 3549503161 - 2¹¹ = 3549501113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3549503161.

It is not a weakly prime, because it can be changed into another prime (3549503171) 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, 1774751580 + 1774751581.

It is an arithmetic number, because the mean of its divisors is an integer number (1774751581).

Almost surely, 2^3549503161 is an apocalyptic number.

It is an amenable number.

3549503161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3549503161 is an equidigital number, since it uses as much as digits as its factorization.

3549503161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 3549503161 is about 59577.7069129049. The cubic root of 3549503161 is about 1525.4191320940.

The spelling of 3549503161 in words is "three billion, five hundred forty-nine million, five hundred three thousand, one hundred sixty-one".