2164563417 has 8 divisors (see below), whose sum is σ = 2889471424. Its totient is φ = 1441348848.

The previous prime is 2164563383. The next prime is 2164563433. The reversal of 2164563417 is 7143654612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2164563417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164563517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420373 + ... + 425490.

It is an arithmetic number, because the mean of its divisors is an integer number (361183928).

Almost surely, 2^2164563417 is an apocalyptic number.

It is an amenable number.

2164563417 is a deficient number, since it is larger than the sum of its proper divisors (724908007).

2164563417 is an equidigital number, since it uses as much as digits as its factorization.

2164563417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846719.

The product of its digits is 120960, while the sum is 39.

The square root of 2164563417 is about 46524.8688015345. The cubic root of 2164563417 is about 1293.5705055283.

The spelling of 2164563417 in words is "two billion, one hundred sixty-four million, five hundred sixty-three thousand, four hundred seventeen".