3547045646 has 16 divisors (see below), whose sum is σ = 5374889520. Its totient is φ = 1755492480.

The previous prime is 3547045643. The next prime is 3547045739. The reversal of 3547045646 is 6465407453.

It is a junction number, because it is equal to n+sod(n) for n = 3547045597 and 3547045606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3547045643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74756 + ... + 112616.

It is an arithmetic number, because the mean of its divisors is an integer number (335930595).

Almost surely, 2^3547045646 is an apocalyptic number.

3547045646 is a deficient number, since it is larger than the sum of its proper divisors (1827843874).

3547045646 is a wasteful number, since it uses less digits than its factorization.

3547045646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38339.

The product of its (nonzero) digits is 1209600, while the sum is 44.

The square root of 3547045646 is about 59557.0788907582. The cubic root of 3547045646 is about 1525.0670071426.

The spelling of 3547045646 in words is "three billion, five hundred forty-seven million, forty-five thousand, six hundred forty-six".