2173252341443 has 4 divisors (see below), whose sum is σ = 2173512214968. Its totient is φ = 2172992467920.

The previous prime is 2173252341389. The next prime is 2173252341457. The reversal of 2173252341443 is 3441432523712.

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 2173252341443 - 2¹⁰ = 2173252340419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2173252341443.

It is not an unprimeable number, because it can be changed into a prime (2173252341473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129924218 + ... + 129940943.

It is an arithmetic number, because the mean of its divisors is an integer number (543378053742).

Almost surely, 2^{2173252341443} is an apocalyptic number.

2173252341443 is a deficient number, since it is larger than the sum of its proper divisors (259873525).

2173252341443 is an equidigital number, since it uses as much as digits as its factorization.

2173252341443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259873524.

The product of its digits is 483840, while the sum is 41.

The spelling of 2173252341443 in words is "two trillion, one hundred seventy-three billion, two hundred fifty-two million, three hundred forty-one thousand, four hundred forty-three".