3475445921 has 8 divisors (see below), whose sum is σ = 3527543520. Its totient is φ = 3423711808.

The previous prime is 3475445899. The next prime is 3475445947. The reversal of 3475445921 is 1295445743.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3475445921 - 2²² = 3471251617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3475442921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71576 + ... + 109881.

It is an arithmetic number, because the mean of its divisors is an integer number (440942940).

Almost surely, 2^3475445921 is an apocalyptic number.

It is an amenable number.

3475445921 is a deficient number, since it is larger than the sum of its proper divisors (52097599).

3475445921 is a wasteful number, since it uses less digits than its factorization.

3475445921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181743.

The product of its digits is 604800, while the sum is 44.

The square root of 3475445921 is about 58952.9127439858. The cubic root of 3475445921 is about 1514.7356436943.

The spelling of 3475445921 in words is "three billion, four hundred seventy-five million, four hundred forty-five thousand, nine hundred twenty-one".