43227813449 has 4 divisors (see below), whose sum is σ = 43310467536. Its totient is φ = 43145159364.

The previous prime is 43227813439. The next prime is 43227813457. The reversal of 43227813449 is 94431872234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43227813449 - 2⁸ = 43227813193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43227813439) 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, 41326259 + ... + 41327304.

It is an arithmetic number, because the mean of its divisors is an integer number (10827616884).

Almost surely, 2^43227813449 is an apocalyptic number.

It is an amenable number.

43227813449 is a deficient number, since it is larger than the sum of its proper divisors (82654087).

43227813449 is an equidigital number, since it uses as much as digits as its factorization.

43227813449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82654086.

The product of its digits is 1161216, while the sum is 47.

The spelling of 43227813449 in words is "forty-three billion, two hundred twenty-seven million, eight hundred thirteen thousand, four hundred forty-nine".