3281464621 has 16 divisors (see below), whose sum is σ = 3415348800. Its totient is φ = 3150119808.

The previous prime is 3281464603. The next prime is 3281464679. The reversal of 3281464621 is 1264641823.

It is a cyclic number.

It is not a de Polignac number, because 3281464621 - 2⁷ = 3281464493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3281464691) 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 15 ways as a sum of consecutive naturals, for example, 2248390 + ... + 2249848.

It is an arithmetic number, because the mean of its divisors is an integer number (213459300).

Almost surely, 2^3281464621 is an apocalyptic number.

It is an amenable number.

3281464621 is a deficient number, since it is larger than the sum of its proper divisors (133884179).

3281464621 is a wasteful number, since it uses less digits than its factorization.

3281464621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268.

The product of its digits is 55296, while the sum is 37.

The square root of 3281464621 is about 57284.0695219884. The cubic root of 3281464621 is about 1486.0128859726.

The spelling of 3281464621 in words is "three billion, two hundred eighty-one million, four hundred sixty-four thousand, six hundred twenty-one".