3281661742 has 16 divisors (see below), whose sum is σ = 5289846480. Its totient is φ = 1521260928.

The previous prime is 3281661727. The next prime is 3281661749. The reversal of 3281661742 is 2471661823.

It is a junction number, because it is equal to n+sod(n) for n = 3281661695 and 3281661704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3281661749) 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 7 ways as a sum of consecutive naturals, for example, 718017 + ... + 722572.

It is an arithmetic number, because the mean of its divisors is an integer number (330615405).

Almost surely, 2^3281661742 is an apocalyptic number.

3281661742 is a deficient number, since it is larger than the sum of its proper divisors (2008184738).

3281661742 is a wasteful number, since it uses less digits than its factorization.

3281661742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440675.

The product of its digits is 96768, while the sum is 40.

The square root of 3281661742 is about 57285.7900530315. The cubic root of 3281661742 is about 1486.0426408245.

The spelling of 3281661742 in words is "three billion, two hundred eighty-one million, six hundred sixty-one thousand, seven hundred forty-two".