2164344245 has 16 divisors (see below), whose sum is σ = 3124467840. Its totient is φ = 1406009664.

The previous prime is 2164344197. The next prime is 2164344289. The reversal of 2164344245 is 5424434612.

It is a cyclic number.

It is not a de Polignac number, because 2164344245 - 2²⁴ = 2147567029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1626662 + ... + 1627991.

It is an arithmetic number, because the mean of its divisors is an integer number (195279240).

Almost surely, 2^2164344245 is an apocalyptic number.

It is an amenable number.

2164344245 is a deficient number, since it is larger than the sum of its proper divisors (960123595).

2164344245 is a wasteful number, since it uses less digits than its factorization.

2164344245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254684.

The product of its digits is 92160, while the sum is 35.

The square root of 2164344245 is about 46522.5133134486. The cubic root of 2164344245 is about 1293.5268440671.

Adding to 2164344245 its reverse (5424434612), we get a palindrome (7588778857).

The spelling of 2164344245 in words is "two billion, one hundred sixty-four million, three hundred forty-four thousand, two hundred forty-five".