3449621208805 has 4 divisors (see below), whose sum is σ = 4139545450572. Its totient is φ = 2759696967040.

The previous prime is 3449621208749. The next prime is 3449621208809. The reversal of 3449621208805 is 5088021269443.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2594525227009 + 855095981796 = 1610753^2 + 924714^2 .

It is not a de Polignac number, because 3449621208805 - 2³⁹ = 2899865394917 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 (3449621208809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344962120876 + ... + 344962120885.

It is an arithmetic number, because the mean of its divisors is an integer number (1034886362643).

Almost surely, 2^{3449621208805} is an apocalyptic number.

It is an amenable number.

3449621208805 is a deficient number, since it is larger than the sum of its proper divisors (689924241767).

3449621208805 is an equidigital number, since it uses as much as digits as its factorization.

3449621208805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689924241766.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 3449621208805 in words is "three trillion, four hundred forty-nine billion, six hundred twenty-one million, two hundred eight thousand, eight hundred five".