2164449282343 has 4 divisors (see below), whose sum is σ = 2164469060088. Its totient is φ = 2164429504600.

The previous prime is 2164449282293. The next prime is 2164449282367. The reversal of 2164449282343 is 3432829444612.

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

It is a cyclic number.

It is not a de Polignac number, because 2164449282343 - 2⁹ = 2164449281831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164449282143) 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, 9723796 + ... + 9943897.

It is an arithmetic number, because the mean of its divisors is an integer number (541117265022).

Almost surely, 2^{2164449282343} is an apocalyptic number.

2164449282343 is a deficient number, since it is larger than the sum of its proper divisors (19777745).

2164449282343 is a wasteful number, since it uses less digits than its factorization.

2164449282343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19777744.

The product of its digits is 7962624, while the sum is 52.

The spelling of 2164449282343 in words is "two trillion, one hundred sixty-four billion, four hundred forty-nine million, two hundred eighty-two thousand, three hundred forty-three".