1117695289 has 2 divisors, whose sum is σ = 1117695290. Its totient is φ = 1117695288.

The previous prime is 1117695263. The next prime is 1117695307. The reversal of 1117695289 is 9825967111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 693005625 + 424689664 = 26325^2 + 20608^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1117695289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1117695389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558847644 + 558847645.

It is an arithmetic number, because the mean of its divisors is an integer number (558847645).

Almost surely, 2^1117695289 is an apocalyptic number.

It is an amenable number.

1117695289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117695289 is an equidigital number, since it uses as much as digits as its factorization.

1117695289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 49.

The square root of 1117695289 is about 33431.9501225998. The cubic root of 1117695289 is about 1037.7859979725.

The spelling of 1117695289 in words is "one billion, one hundred seventeen million, six hundred ninety-five thousand, two hundred eighty-nine".