3281979141 has 56 divisors (see below), whose sum is σ = 5656668480. Its totient is φ = 1864420416.

The previous prime is 3281979137. The next prime is 3281979161. The reversal of 3281979141 is 1419791823.

It is not a de Polignac number, because 3281979141 - 2² = 3281979137 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3281979161) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 911641 + ... + 915233.

Almost surely, 2^3281979141 is an apocalyptic number.

It is an amenable number.

3281979141 is a deficient number, since it is larger than the sum of its proper divisors (2374689339).

3281979141 is an equidigital number, since it uses as much as digits as its factorization.

3281979141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3797 (or 3782 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 3281979141 is about 57288.5602978466. The cubic root of 3281979141 is about 1486.0905487930.

The spelling of 3281979141 in words is "three billion, two hundred eighty-one million, nine hundred seventy-nine thousand, one hundred forty-one".