3449521445 has 4 divisors (see below), whose sum is σ = 4139425740. Its totient is φ = 2759617152.

The previous prime is 3449521423. The next prime is 3449521451. The reversal of 3449521445 is 5441259443.

3449521445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5441259443 = 577 ⋅9430259.

It can be written as a sum of positive squares in 2 ways, for example, as 2567550241 + 881971204 = 50671^2 + 29698^2 .

It is a cyclic number.

It is not a de Polignac number, because 3449521445 - 2⁶ = 3449521381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344952140 + ... + 344952149.

It is an arithmetic number, because the mean of its divisors is an integer number (1034856435).

Almost surely, 2^3449521445 is an apocalyptic number.

It is an amenable number.

3449521445 is a deficient number, since it is larger than the sum of its proper divisors (689904295).

3449521445 is an equidigital number, since it uses as much as digits as its factorization.

3449521445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689904294.

The product of its digits is 345600, while the sum is 41.

The square root of 3449521445 is about 58732.6267503847. The cubic root of 3449521445 is about 1510.9599388622.

The spelling of 3449521445 in words is "three billion, four hundred forty-nine million, five hundred twenty-one thousand, four hundred forty-five".