2117133247 has 2 divisors, whose sum is σ = 2117133248. Its totient is φ = 2117133246.

The previous prime is 2117133211. The next prime is 2117133257. The reversal of 2117133247 is 7423317112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2117133247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2117133257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058566623 + 1058566624.

It is an arithmetic number, because the mean of its divisors is an integer number (1058566624).

Almost surely, 2^2117133247 is an apocalyptic number.

2117133247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2117133247 is an equidigital number, since it uses as much as digits as its factorization.

2117133247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 31.

The square root of 2117133247 is about 46012.3162533685. The cubic root of 2117133247 is about 1284.0523522276.

The spelling of 2117133247 in words is "two billion, one hundred seventeen million, one hundred thirty-three thousand, two hundred forty-seven".