2983128442866 has 96 divisors (see below), whose sum is σ = 8040089611008. Its totient is φ = 785356715520.

The previous prime is 2983128442787. The next prime is 2983128442873. The reversal of 2983128442866 is 6682448213892.

2983128442866 is a `hidden beast` number, since 2 + 9 + 8 + 3 + 128 + 442 + 8 + 66 = 666.

It is a super-2 number, since 2×2983128442866² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34042906 + ... + 34130421.

It is an arithmetic number, because the mean of its divisors is an integer number (83750933448).

Almost surely, 2^{2983128442866} is an apocalyptic number.

2983128442866 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2983128442866 is an abundant number, since it is smaller than the sum of its proper divisors (5056961168142).

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

2983128442866 is a wasteful number, since it uses less digits than its factorization.

2983128442866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68173376 (or 68173373 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 63.

The spelling of 2983128442866 in words is "two trillion, nine hundred eighty-three billion, one hundred twenty-eight million, four hundred forty-two thousand, eight hundred sixty-six".