1189344941879 has 2 divisors, whose sum is σ = 1189344941880. Its totient is φ = 1189344941878.

The previous prime is 1189344941867. The next prime is 1189344941929. The reversal of 1189344941879 is 9781494439811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1189344941879 - 2²⁰ = 1189343893303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1189344941849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594672470939 + 594672470940.

It is an arithmetic number, because the mean of its divisors is an integer number (594672470940).

Almost surely, 2^{1189344941879} is an apocalyptic number.

1189344941879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1189344941879 is an equidigital number, since it uses as much as digits as its factorization.

1189344941879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62705664, while the sum is 68.

The spelling of 1189344941879 in words is "one trillion, one hundred eighty-nine billion, three hundred forty-four million, nine hundred forty-one thousand, eight hundred seventy-nine".