4195646408 has 12 divisors (see below), whose sum is σ = 7867180545. Its totient is φ = 2097731600.

The previous prime is 4195646401. The next prime is 4195646437. The reversal of 4195646408 is 8046465914.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 2646279364 + 1549367044 = 51442^2 + 39362^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=45802.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4195646401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 171758 + ... + 194658.

Almost surely, 2^4195646408 is an apocalyptic number.

It is an amenable number.

4195646408 is a deficient number, since it is larger than the sum of its proper divisors (3671534137).

4195646408 is an frugal number, since it uses more digits than its factorization.

4195646408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45808 (or 22903 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 4195646408 is about 64773.8095838125. The cubic root of 4195646408 is about 1612.8709763046.

The spelling of 4195646408 in words is "four billion, one hundred ninety-five million, six hundred forty-six thousand, four hundred eight".