2164839513 has 4 divisors (see below), whose sum is σ = 2886452688. Its totient is φ = 1443226340.

The previous prime is 2164839503. The next prime is 2164839539. The reversal of 2164839513 is 3159384612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2164839513 - 2⁴ = 2164839497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2164839503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360806583 + ... + 360806588.

It is an arithmetic number, because the mean of its divisors is an integer number (721613172).

Almost surely, 2^2164839513 is an apocalyptic number.

It is an amenable number.

2164839513 is a deficient number, since it is larger than the sum of its proper divisors (721613175).

2164839513 is an equidigital number, since it uses as much as digits as its factorization.

2164839513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721613174.

The product of its digits is 155520, while the sum is 42.

The square root of 2164839513 is about 46527.8358942257. The cubic root of 2164839513 is about 1293.6255026785.

The spelling of 2164839513 in words is "two billion, one hundred sixty-four million, eight hundred thirty-nine thousand, five hundred thirteen".