2999181822642 has 160 divisors (see below), whose sum is σ = 6988113627264. Its totient is φ = 960663110400.

The previous prime is 2999181822619. The next prime is 2999181822643. The reversal of 2999181822642 is 2462281819992.

2999181822642 is a `hidden beast` number, since 299 + 9 + 1 + 8 + 1 + 82 + 264 + 2 = 666.

2999181822642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2999181822642.

It is not an unprimeable number, because it can be changed into a prime (2999181822643) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 605037228 + ... + 605042184.

Almost surely, 2^{2999181822642} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2999181822642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3494056813632).

2999181822642 is an abundant number, since it is smaller than the sum of its proper divisors (3988931804622).

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

2999181822642 is a wasteful number, since it uses less digits than its factorization.

2999181822642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6366 (or 6357 counting only the distinct ones).

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

The spelling of 2999181822642 in words is "two trillion, nine hundred ninety-nine billion, one hundred eighty-one million, eight hundred twenty-two thousand, six hundred forty-two".