2989270987068 has 12 divisors (see below), whose sum is σ = 6974965636520. Its totient is φ = 996423662352.

The previous prime is 2989270987057. The next prime is 2989270987181. The reversal of 2989270987068 is 8607890729892.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124552957783 + ... + 124552957806.

Almost surely, 2^{2989270987068} is an apocalyptic number.

It is an amenable number.

2989270987068 is an abundant number, since it is smaller than the sum of its proper divisors (3985694649452).

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

2989270987068 is a wasteful number, since it uses less digits than its factorization.

2989270987068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249105915596 (or 249105915594 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 75.

The spelling of 2989270987068 in words is "two trillion, nine hundred eighty-nine billion, two hundred seventy million, nine hundred eighty-seven thousand, sixty-eight".