2664465244243 has 4 divisors (see below), whose sum is σ = 2906689357368. Its totient is φ = 2422241131120.

The previous prime is 2664465244223. The next prime is 2664465244319. The reversal of 2664465244243 is 3424425644662.

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 2664465244243 - 2¹⁷ = 2664465113171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664465244213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121112056546 + ... + 121112056567.

It is an arithmetic number, because the mean of its divisors is an integer number (726672339342).

Almost surely, 2^{2664465244243} is an apocalyptic number.

2664465244243 is a deficient number, since it is larger than the sum of its proper divisors (242224113125).

2664465244243 is a wasteful number, since it uses less digits than its factorization.

2664465244243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242224113124.

The product of its digits is 26542080, while the sum is 52.

The spelling of 2664465244243 in words is "two trillion, six hundred sixty-four billion, four hundred sixty-five million, two hundred forty-four thousand, two hundred forty-three".