3281489097912 has 64 divisors (see below), whose sum is σ = 9198873684000. Its totient is φ = 1083794556672.

The previous prime is 3281489097889. The next prime is 3281489097947. The reversal of 3281489097912 is 2197909841823.

3281489097912 is a `hidden beast` number, since 3 + 2 + 81 + 489 + 0 + 9 + 79 + 1 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3281489097912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69664893 + ... + 69711980.

Almost surely, 2^{3281489097912} is an apocalyptic number.

It is an amenable number.

3281489097912 is an abundant number, since it is smaller than the sum of its proper divisors (5917384586088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3281489097912 is a wasteful number, since it uses less digits than its factorization.

3281489097912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139376997 (or 139376987 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 3281489097912 in words is "three trillion, two hundred eighty-one billion, four hundred eighty-nine million, ninety-seven thousand, nine hundred twelve".