4890665994789 has 32 divisors (see below), whose sum is σ = 6612600268800. Its totient is φ = 3214705777920.

The previous prime is 4890665994751. The next prime is 4890665994833. The reversal of 4890665994789 is 9874995660984.

It is not a de Polignac number, because 4890665994789 - 2¹¹ = 4890665992741 is a prime.

It is a super-2 number, since 2×4890665994789² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4890665994719) 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 31 ways as a sum of consecutive naturals, for example, 715738717 + ... + 715745549.

It is an arithmetic number, because the mean of its divisors is an integer number (206643758400).

Almost surely, 2^{4890665994789} is an apocalyptic number.

It is an amenable number.

4890665994789 is a deficient number, since it is larger than the sum of its proper divisors (1721934274011).

4890665994789 is a wasteful number, since it uses less digits than its factorization.

4890665994789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10665.

The product of its (nonzero) digits is 8465264640, while the sum is 84.

The spelling of 4890665994789 in words is "four trillion, eight hundred ninety billion, six hundred sixty-five million, nine hundred ninety-four thousand, seven hundred eighty-nine".