3287143689426 has 144 divisors (see below), whose sum is σ = 7543465937280. Its totient is φ = 1034156833920.

The previous prime is 3287143689421. The next prime is 3287143689451. The reversal of 3287143689426 is 6249863417823.

3287143689426 is a `hidden beast` number, since 3 + 2 + 8 + 7 + 143 + 68 + 9 + 426 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3287143689421) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 150506215 + ... + 150528053.

It is an arithmetic number, because the mean of its divisors is an integer number (52385180120).

Almost surely, 2^{3287143689426} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3287143689426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3771732968640).

3287143689426 is an abundant number, since it is smaller than the sum of its proper divisors (4256322247854).

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

3287143689426 is a wasteful number, since it uses less digits than its factorization.

3287143689426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22129 (or 22097 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 63.

The spelling of 3287143689426 in words is "three trillion, two hundred eighty-seven billion, one hundred forty-three million, six hundred eighty-nine thousand, four hundred twenty-six".