3561131632 has 20 divisors (see below), whose sum is σ = 6924081880. Its totient is φ = 1774271808.

The previous prime is 3561131621. The next prime is 3561131671. The reversal of 3561131632 is 2361311653.

It is a junction number, because it is equal to n+sod(n) for n = 3561131594 and 3561131603.

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 in 3 ways as a sum of consecutive naturals, for example, 388707 + ... + 397762.

It is an arithmetic number, because the mean of its divisors is an integer number (346204094).

Almost surely, 2^3561131632 is an apocalyptic number.

It is an amenable number.

3561131632 is a deficient number, since it is larger than the sum of its proper divisors (3362950248).

3561131632 is a wasteful number, since it uses less digits than its factorization.

3561131632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786760 (or 786754 counting only the distinct ones).

The product of its digits is 9720, while the sum is 31.

The square root of 3561131632 is about 59675.2179049226. The cubic root of 3561131632 is about 1527.0831167704.

The spelling of 3561131632 in words is "three billion, five hundred sixty-one million, one hundred thirty-one thousand, six hundred thirty-two".