2844428916681 has 48 divisors (see below), whose sum is σ = 4617102409920. Its totient is φ = 1672453824000.

The previous prime is 2844428916619. The next prime is 2844428916727. The reversal of 2844428916681 is 1866198244482.

2844428916681 is a `hidden beast` number, since 2 + 8 + 44 + 428 + 9 + 166 + 8 + 1 = 666.

2844428916681 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2844428916681 - 2⁶ = 2844428916617 is a prime.

It is a super-2 number, since 2×2844428916681² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2844428916611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1230900 + ... + 2684021.

It is an arithmetic number, because the mean of its divisors is an integer number (96189633540).

Almost surely, 2^{2844428916681} is an apocalyptic number.

It is an amenable number.

2844428916681 is a deficient number, since it is larger than the sum of its proper divisors (1772673493239).

2844428916681 is a wasteful number, since it uses less digits than its factorization.

2844428916681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3915158 (or 3915155 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 63.

The spelling of 2844428916681 in words is "two trillion, eight hundred forty-four billion, four hundred twenty-eight million, nine hundred sixteen thousand, six hundred eighty-one".