2134918517 has 2 divisors, whose sum is σ = 2134918518. Its totient is φ = 2134918516.

The previous prime is 2134918453. The next prime is 2134918519. The reversal of 2134918517 is 7158194312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1715119396 + 419799121 = 41414^2 + 20489^2 .

It is a cyclic number.

It is not a de Polignac number, because 2134918517 - 2⁶ = 2134918453 is a prime.

Together with 2134918519, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134918519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067459258 + 1067459259.

It is an arithmetic number, because the mean of its divisors is an integer number (1067459259).

Almost surely, 2^2134918517 is an apocalyptic number.

It is an amenable number.

2134918517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134918517 is an equidigital number, since it uses as much as digits as its factorization.

2134918517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 41.

The square root of 2134918517 is about 46205.1784651894. The cubic root of 2134918517 is about 1287.6379501164.

The spelling of 2134918517 in words is "two billion, one hundred thirty-four million, nine hundred eighteen thousand, five hundred seventeen".