1179403434689 has 2 divisors, whose sum is σ = 1179403434690. Its totient is φ = 1179403434688.

The previous prime is 1179403434607. The next prime is 1179403434701. The reversal of 1179403434689 is 9864343049711.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 893435177089 + 285968257600 = 945217^2 + 534760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1179403434689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1179403434889) 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, 589701717344 + 589701717345.

It is an arithmetic number, because the mean of its divisors is an integer number (589701717345).

Almost surely, 2^{1179403434689} is an apocalyptic number.

It is an amenable number.

1179403434689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1179403434689 is an equidigital number, since it uses as much as digits as its factorization.

1179403434689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 1179403434689 in words is "one trillion, one hundred seventy-nine billion, four hundred three million, four hundred thirty-four thousand, six hundred eighty-nine".