2989906184412 has 72 divisors (see below), whose sum is σ = 8640161109216. Its totient is φ = 853996391424.

The previous prime is 2989906184371. The next prime is 2989906184417. The reversal of 2989906184412 is 2144816099892.

2989906184412 is a `hidden beast` number, since 2 + 9 + 8 + 9 + 9 + 0 + 618 + 4 + 4 + 1 + 2 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 2989906184412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989906184417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1000653 + ... + 2642180.

It is an arithmetic number, because the mean of its divisors is an integer number (120002237628).

Almost surely, 2^{2989906184412} is an apocalyptic number.

It is an amenable number.

2989906184412 is an abundant number, since it is smaller than the sum of its proper divisors (5650254924804).

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

2989906184412 is a wasteful number, since it uses less digits than its factorization.

2989906184412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646107 (or 3646102 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 63.

The spelling of 2989906184412 in words is "two trillion, nine hundred eighty-nine billion, nine hundred six million, one hundred eighty-four thousand, four hundred twelve".