2104012442989 has 2 divisors, whose sum is σ = 2104012442990. Its totient is φ = 2104012442988.

The previous prime is 2104012442963. The next prime is 2104012443047. The reversal of 2104012442989 is 9892442104012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2100209624100 + 3802818889 = 1449210^2 + 61667^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104012442989 - 2¹⁵ = 2104012410221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104012452989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052006221494 + 1052006221495.

It is an arithmetic number, because the mean of its divisors is an integer number (1052006221495).

Almost surely, 2^{2104012442989} is an apocalyptic number.

It is an amenable number.

2104012442989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104012442989 is an equidigital number, since it uses as much as digits as its factorization.

2104012442989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 2104012442989 in words is "two trillion, one hundred four billion, twelve million, four hundred forty-two thousand, nine hundred eighty-nine".