1988712838183 has 2 divisors, whose sum is σ = 1988712838184. Its totient is φ = 1988712838182.

The previous prime is 1988712838169. The next prime is 1988712838219. The reversal of 1988712838183 is 3818382178891.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1988712838183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1988712835183) 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 as a sum of consecutive naturals, namely, 994356419091 + 994356419092.

It is an arithmetic number, because the mean of its divisors is an integer number (994356419092).

Almost surely, 2^{1988712838183} is an apocalyptic number.

1988712838183 is a deficient number, since it is larger than the sum of its proper divisors (1).

1988712838183 is an equidigital number, since it uses as much as digits as its factorization.

1988712838183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37158912, while the sum is 67.

The spelling of 1988712838183 in words is "one trillion, nine hundred eighty-eight billion, seven hundred twelve million, eight hundred thirty-eight thousand, one hundred eighty-three".