3453545449 has 2 divisors, whose sum is σ = 3453545450. Its totient is φ = 3453545448.

The previous prime is 3453545443. The next prime is 3453545509. The reversal of 3453545449 is 9445453543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1996749225 + 1456796224 = 44685^2 + 38168^2 .

It is a cyclic number.

It is not a de Polignac number, because 3453545449 - 2³ = 3453545441 is a prime.

It is a super-2 number, since 2×3453545449² = 23853952336617223202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3453545399 and 3453545408.

It is not a weakly prime, because it can be changed into another prime (3453545441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1726772724 + 1726772725.

It is an arithmetic number, because the mean of its divisors is an integer number (1726772725).

Almost surely, 2^3453545449 is an apocalyptic number.

It is an amenable number.

3453545449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3453545449 is an equidigital number, since it uses as much as digits as its factorization.

3453545449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592000, while the sum is 46.

The square root of 3453545449 is about 58766.8737385272. The cubic root of 3453545449 is about 1511.5472421772.

The spelling of 3453545449 in words is "three billion, four hundred fifty-three million, five hundred forty-five thousand, four hundred forty-nine".