3408205549 has 4 divisors (see below), whose sum is σ = 3895092064. Its totient is φ = 2921319036.

The previous prime is 3408205523. The next prime is 3408205561. The reversal of 3408205549 is 9455028043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3408205549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3408205049) 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 in 3 ways as a sum of consecutive naturals, for example, 243443247 + ... + 243443260.

It is an arithmetic number, because the mean of its divisors is an integer number (973773016).

Almost surely, 2^3408205549 is an apocalyptic number.

It is an amenable number.

3408205549 is a deficient number, since it is larger than the sum of its proper divisors (486886515).

3408205549 is an equidigital number, since it uses as much as digits as its factorization.

3408205549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486886514.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 3408205549 is about 58379.8385489374. The cubic root of 3408205549 is about 1504.9032949272.

The spelling of 3408205549 in words is "three billion, four hundred eight million, two hundred five thousand, five hundred forty-nine".