3603780449 has 2 divisors, whose sum is σ = 3603780450. Its totient is φ = 3603780448.

The previous prime is 3603780431. The next prime is 3603780457. The reversal of 3603780449 is 9440873063.

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., 3434780449 + 169000000 = 58607^2 + 13000^2 .

It is a cyclic number.

It is not a de Polignac number, because 3603780449 - 2¹² = 3603776353 is a prime.

It is not a weakly prime, because it can be changed into another prime (3603780469) 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, 1801890224 + 1801890225.

It is an arithmetic number, because the mean of its divisors is an integer number (1801890225).

Almost surely, 2^3603780449 is an apocalyptic number.

It is an amenable number.

3603780449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3603780449 is an equidigital number, since it uses as much as digits as its factorization.

3603780449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 3603780449 is about 60031.4954752920. The cubic root of 3603780449 is about 1533.1551574261.

The spelling of 3603780449 in words is "three billion, six hundred three million, seven hundred eighty thousand, four hundred forty-nine".