3445775449 has 2 divisors, whose sum is σ = 3445775450. Its totient is φ = 3445775448.

The previous prime is 3445775401. The next prime is 3445775453. The reversal of 3445775449 is 9445775443.

It is a happy number.

3445775449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3218519824 + 227255625 = 56732^2 + 15075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3445775449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3445775396 and 3445775405.

It is not a weakly prime, because it can be changed into another prime (3445775149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1722887724 + 1722887725.

It is an arithmetic number, because the mean of its divisors is an integer number (1722887725).

Almost surely, 2^3445775449 is an apocalyptic number.

It is an amenable number.

3445775449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3445775449 is an equidigital number, since it uses as much as digits as its factorization.

3445775449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8467200, while the sum is 52.

The square root of 3445775449 is about 58700.7278404621. The cubic root of 3445775449 is about 1510.4128001695.

The spelling of 3445775449 in words is "three billion, four hundred forty-five million, seven hundred seventy-five thousand, four hundred forty-nine".