43319147989 has 16 divisors (see below), whose sum is σ = 47175315264. Its totient is φ = 39540009600.

The previous prime is 43319147959. The next prime is 43319147999. The reversal of 43319147989 is 98974191334.

43319147989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43319147989 - 2⁵ = 43319147957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43319147959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433282 + ... + 523804.

It is an arithmetic number, because the mean of its divisors is an integer number (2948457204).

Almost surely, 2^43319147989 is an apocalyptic number.

It is an amenable number.

43319147989 is a deficient number, since it is larger than the sum of its proper divisors (3856167275).

43319147989 is a wasteful number, since it uses less digits than its factorization.

43319147989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90948.

The product of its digits is 5878656, while the sum is 58.

The spelling of 43319147989 in words is "forty-three billion, three hundred nineteen million, one hundred forty-seven thousand, nine hundred eighty-nine".