1164991717793 has 2 divisors, whose sum is σ = 1164991717794. Its totient is φ = 1164991717792.

The previous prime is 1164991717751. The next prime is 1164991717807. The reversal of 1164991717793 is 3977171994611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 978581928289 + 186409789504 = 989233^2 + 431752^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164991717793 - 2¹⁴ = 1164991701409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1164991717723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582495858896 + 582495858897.

It is an arithmetic number, because the mean of its divisors is an integer number (582495858897).

Almost surely, 2^{1164991717793} is an apocalyptic number.

It is an amenable number.

1164991717793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164991717793 is an equidigital number, since it uses as much as digits as its factorization.

1164991717793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18003384, while the sum is 65.

The spelling of 1164991717793 in words is "one trillion, one hundred sixty-four billion, nine hundred ninety-one million, seven hundred seventeen thousand, seven hundred ninety-three".