43219889041 has 4 divisors (see below), whose sum is σ = 49394158912. Its totient is φ = 37045619172.

The previous prime is 43219889023. The next prime is 43219889051. The reversal of 43219889041 is 14098891234.

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 43219889041 - 2¹⁹ = 43219364753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43219889051) 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, 3087134925 + ... + 3087134938.

It is an arithmetic number, because the mean of its divisors is an integer number (12348539728).

Almost surely, 2^43219889041 is an apocalyptic number.

It is an amenable number.

43219889041 is a deficient number, since it is larger than the sum of its proper divisors (6174269871).

43219889041 is an equidigital number, since it uses as much as digits as its factorization.

43219889041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174269870.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 43219889041 in words is "forty-three billion, two hundred nineteen million, eight hundred eighty-nine thousand, forty-one".