3546945856 has 14 divisors (see below), whose sum is σ = 7038470810. Its totient is φ = 1773472896.

The previous prime is 3546945811. The next prime is 3546945869. The reversal of 3546945856 is 6585496453.

It can be written as a sum of positive squares in only one way, i.e., 3113640000 + 433305856 = 55800^2 + 20816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3546945797 and 3546945806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27710451 + ... + 27710578.

It is an arithmetic number, because the mean of its divisors is an integer number (502747915).

Almost surely, 2^3546945856 is an apocalyptic number.

It is an amenable number.

3546945856 is a deficient number, since it is larger than the sum of its proper divisors (3491524954).

3546945856 is an equidigital number, since it uses as much as digits as its factorization.

3546945856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55421041 (or 55421031 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 55.

The square root of 3546945856 is about 59556.2411171155. The cubic root of 3546945856 is about 1525.0527053002.

The spelling of 3546945856 in words is "three billion, five hundred forty-six million, nine hundred forty-five thousand, eight hundred fifty-six".