6005205561449 has 2 divisors, whose sum is σ = 6005205561450. Its totient is φ = 6005205561448.

The previous prime is 6005205561353. The next prime is 6005205561557. The reversal of 6005205561449 is 9441655025006.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3392595610000 + 2612609951449 = 1841900^2 + 1616357^2 .

It is a cyclic number.

It is not a de Polignac number, because 6005205561449 - 2²⁴ = 6005188784233 is a prime.

It is not a weakly prime, because it can be changed into another prime (6005205569449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002602780724 + 3002602780725.

It is an arithmetic number, because the mean of its divisors is an integer number (3002602780725).

Almost surely, 2^{6005205561449} is an apocalyptic number.

It is an amenable number.

6005205561449 is a deficient number, since it is larger than the sum of its proper divisors (1).

6005205561449 is an equidigital number, since it uses as much as digits as its factorization.

6005205561449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 6005205561449 in words is "six trillion, five billion, two hundred five million, five hundred sixty-one thousand, four hundred forty-nine".