2134809617 has 4 divisors (see below), whose sum is σ = 2140926900. Its totient is φ = 2128692336.

The previous prime is 2134809587. The next prime is 2134809623. The reversal of 2134809617 is 7169084312.

It is a Cunningham number, because it is equal to 46204²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1566893056 + 567916561 = 39584^2 + 23831^2 .

It is a cyclic number.

It is not a de Polignac number, because 2134809617 - 2⁶ = 2134809553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2134809647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3058118 + ... + 3058815.

It is an arithmetic number, because the mean of its divisors is an integer number (535231725).

Almost surely, 2^2134809617 is an apocalyptic number.

It is an amenable number.

2134809617 is a deficient number, since it is larger than the sum of its proper divisors (6117283).

2134809617 is an equidigital number, since it uses as much as digits as its factorization.

2134809617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117282.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 2134809617 is about 46204.0000108216. Note that the first 4 decimals coincide. The cubic root of 2134809617 is about 1287.6160560479.

The spelling of 2134809617 in words is "two billion, one hundred thirty-four million, eight hundred nine thousand, six hundred seventeen".