3281352633861 has 4 divisors (see below), whose sum is σ = 4375136845152. Its totient is φ = 2187568422572.

The previous prime is 3281352633851. The next prime is 3281352633947. The reversal of 3281352633861 is 1683362531823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3281352633861 - 2¹⁷ = 3281352502789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3281352633821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546892105641 + ... + 546892105646.

It is an arithmetic number, because the mean of its divisors is an integer number (1093784211288).

Almost surely, 2^{3281352633861} is an apocalyptic number.

It is an amenable number.

3281352633861 is a deficient number, since it is larger than the sum of its proper divisors (1093784211291).

3281352633861 is a wasteful number, since it uses less digits than its factorization.

3281352633861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093784211290.

The product of its digits is 3732480, while the sum is 51.

The spelling of 3281352633861 in words is "three trillion, two hundred eighty-one billion, three hundred fifty-two million, six hundred thirty-three thousand, eight hundred sixty-one".