3539388449 has 2 divisors, whose sum is σ = 3539388450. Its totient is φ = 3539388448.

The previous prime is 3539388407. The next prime is 3539388467. The reversal of 3539388449 is 9448839353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3492219025 + 47169424 = 59095^2 + 6868^2 .

It is an emirp because it is prime and its reverse (9448839353) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3539388449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3539388394 and 3539388403.

It is not a weakly prime, because it can be changed into another prime (3539388469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1769694224 + 1769694225.

It is an arithmetic number, because the mean of its divisors is an integer number (1769694225).

Almost surely, 2^3539388449 is an apocalyptic number.

It is an amenable number.

3539388449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3539388449 is an equidigital number, since it uses as much as digits as its factorization.

3539388449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11197440, while the sum is 56.

The square root of 3539388449 is about 59492.7596351018. The cubic root of 3539388449 is about 1523.9688019610.

The spelling of 3539388449 in words is "three billion, five hundred thirty-nine million, three hundred eighty-eight thousand, four hundred forty-nine".