3281469987 has 6 divisors (see below), whose sum is σ = 4375425612. Its totient is φ = 2187580512.

The previous prime is 3281469943. The next prime is 3281469991. The reversal of 3281469987 is 7899641823.

It is not a de Polignac number, because 3281469987 - 2¹⁰ = 3281468963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3281469907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82683 + ... + 115755.

It is an arithmetic number, because the mean of its divisors is an integer number (729237602).

Almost surely, 2^3281469987 is an apocalyptic number.

3281469987 is a deficient number, since it is larger than the sum of its proper divisors (1093955625).

3281469987 is an frugal number, since it uses more digits than its factorization.

3281469987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66149 (or 33076 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The square root of 3281469987 is about 57284.1163587255. The cubic root of 3281469987 is about 1486.0136959708.

The spelling of 3281469987 in words is "three billion, two hundred eighty-one million, four hundred sixty-nine thousand, nine hundred eighty-seven".