43575344420263 has 4 divisors (see below), whose sum is σ = 44638157698848. Its totient is φ = 42512531141680.

The previous prime is 43575344420197. The next prime is 43575344420291. The reversal of 43575344420263 is 36202444357534.

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 43575344420263 - 2¹³ = 43575344412071 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 43575344420263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43575344420963) 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, 531406639231 + ... + 531406639312.

It is an arithmetic number, because the mean of its divisors is an integer number (11159539424712).

Almost surely, 2^{43575344420263} is an apocalyptic number.

43575344420263 is a deficient number, since it is larger than the sum of its proper divisors (1062813278585).

43575344420263 is a wasteful number, since it uses less digits than its factorization.

43575344420263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062813278584.

The product of its (nonzero) digits is 29030400, while the sum is 52.

Adding to 43575344420263 its reverse (36202444357534), we get a palindrome (79777788777797).

The spelling of 43575344420263 in words is "forty-three trillion, five hundred seventy-five billion, three hundred forty-four million, four hundred twenty thousand, two hundred sixty-three".