1189679663189 has 2 divisors, whose sum is σ = 1189679663190. Its totient is φ = 1189679663188.

The previous prime is 1189679663069. The next prime is 1189679663201. The reversal of 1189679663189 is 9813669769811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1101376786225 + 88302876964 = 1049465^2 + 297158^2 .

It is a cyclic number.

It is not a de Polignac number, because 1189679663189 - 2⁸ = 1189679662933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1189679665189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594839831594 + 594839831595.

It is an arithmetic number, because the mean of its divisors is an integer number (594839831595).

Almost surely, 2^{1189679663189} is an apocalyptic number.

It is an amenable number.

1189679663189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1189679663189 is an equidigital number, since it uses as much as digits as its factorization.

1189679663189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211631616, while the sum is 74.

The spelling of 1189679663189 in words is "one trillion, one hundred eighty-nine billion, six hundred seventy-nine million, six hundred sixty-three thousand, one hundred eighty-nine".