3409644445 has 4 divisors (see below), whose sum is σ = 4091573340. Its totient is φ = 2727715552.

The previous prime is 3409644439. The next prime is 3409644473. The reversal of 3409644445 is 5444469043.

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 1836808164 + 1572836281 = 42858^2 + 39659^2 .

It is a cyclic number.

It is not a de Polignac number, because 3409644445 - 2³ = 3409644437 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, 340964440 + ... + 340964449.

It is an arithmetic number, because the mean of its divisors is an integer number (1022893335).

Almost surely, 2^3409644445 is an apocalyptic number.

It is an amenable number.

3409644445 is a deficient number, since it is larger than the sum of its proper divisors (681928895).

3409644445 is an equidigital number, since it uses as much as digits as its factorization.

3409644445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681928894.

The product of its (nonzero) digits is 829440, while the sum is 43.

The square root of 3409644445 is about 58392.1608180413. The cubic root of 3409644445 is about 1505.1150480661.

The spelling of 3409644445 in words is "three billion, four hundred nine million, six hundred forty-four thousand, four hundred forty-five".