2134918817 has 2 divisors, whose sum is σ = 2134918818. Its totient is φ = 2134918816.

The previous prime is 2134918777. The next prime is 2134918843. The reversal of 2134918817 is 7188194312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1315585441 + 819333376 = 36271^2 + 28624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2134918817 is a prime.

It is not a weakly prime, because it can be changed into another prime (2134918517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067459408 + 1067459409.

It is an arithmetic number, because the mean of its divisors is an integer number (1067459409).

Almost surely, 2^2134918817 is an apocalyptic number.

It is an amenable number.

2134918817 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134918817 is an equidigital number, since it uses as much as digits as its factorization.

2134918817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 44.

The square root of 2134918817 is about 46205.1817115786. The cubic root of 2134918817 is about 1287.6380104296.

The spelling of 2134918817 in words is "two billion, one hundred thirty-four million, nine hundred eighteen thousand, eight hundred seventeen".