1739928898889 has 2 divisors, whose sum is σ = 1739928898890. Its totient is φ = 1739928898888.

The previous prime is 1739928898871. The next prime is 1739928898921. The reversal of 1739928898889 is 9888988299371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1227072399289 + 512856499600 = 1107733^2 + 716140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1739928898889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1739928898289) 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, 869964449444 + 869964449445.

It is an arithmetic number, because the mean of its divisors is an integer number (869964449445).

Almost surely, 2^{1739928898889} is an apocalyptic number.

It is an amenable number.

1739928898889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1739928898889 is an equidigital number, since it uses as much as digits as its factorization.

1739928898889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9029615616, while the sum is 89.

The spelling of 1739928898889 in words is "one trillion, seven hundred thirty-nine billion, nine hundred twenty-eight million, eight hundred ninety-eight thousand, eight hundred eighty-nine".