1170645347189 has 2 divisors, whose sum is σ = 1170645347190. Its totient is φ = 1170645347188.

The previous prime is 1170645347167. The next prime is 1170645347269. The reversal of 1170645347189 is 9817435460711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748860044689 + 421785302500 = 865367^2 + 649450^2 .

It is an emirp because it is prime and its reverse (9817435460711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1170645347189 - 2²⁴ = 1170628569973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1170645347149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585322673594 + 585322673595.

It is an arithmetic number, because the mean of its divisors is an integer number (585322673595).

Almost surely, 2^{1170645347189} is an apocalyptic number.

It is an amenable number.

1170645347189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170645347189 is an equidigital number, since it uses as much as digits as its factorization.

1170645347189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 1170645347189 in words is "one trillion, one hundred seventy billion, six hundred forty-five million, three hundred forty-seven thousand, one hundred eighty-nine".