3281842129 has 4 divisors (see below), whose sum is σ = 3474891684. Its totient is φ = 3088792576.

The previous prime is 3281842103. The next prime is 3281842139. The reversal of 3281842129 is 9212481823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2916000000 + 365842129 = 54000^2 + 19127^2 .

It is a cyclic number.

It is not a de Polignac number, because 3281842129 - 2¹³ = 3281833937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3281842091 and 3281842100.

It is not an unprimeable number, because it can be changed into a prime (3281842139) 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 3 ways as a sum of consecutive naturals, for example, 96524752 + ... + 96524785.

It is an arithmetic number, because the mean of its divisors is an integer number (868722921).

Almost surely, 2^3281842129 is an apocalyptic number.

It is an amenable number.

3281842129 is a deficient number, since it is larger than the sum of its proper divisors (193049555).

3281842129 is a wasteful number, since it uses less digits than its factorization.

3281842129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193049554.

The product of its digits is 55296, while the sum is 40.

The square root of 3281842129 is about 57287.3644794382. The cubic root of 3281842129 is about 1486.0698686828.

It can be divided in two parts, 32818 and 42129, that added together give a palindrome (74947).

The spelling of 3281842129 in words is "three billion, two hundred eighty-one million, eight hundred forty-two thousand, one hundred twenty-nine".