9943195089 has 4 divisors (see below), whose sum is σ = 13257593456. Its totient is φ = 6628796724.

The previous prime is 9943195079. The next prime is 9943195103. The reversal of 9943195089 is 9805913499.

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 not a de Polignac number, because 9943195089 - 2⁹ = 9943194577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9943195019) 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, 1657199179 + ... + 1657199184.

It is an arithmetic number, because the mean of its divisors is an integer number (3314398364).

Almost surely, 2^9943195089 is an apocalyptic number.

It is an amenable number.

9943195089 is a deficient number, since it is larger than the sum of its proper divisors (3314398367).

9943195089 is a wasteful number, since it uses less digits than its factorization.

9943195089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314398366.

The product of its (nonzero) digits is 3149280, while the sum is 57.

The square root of 9943195089 is about 99715.5709455650. The cubic root of 9943195089 is about 2150.3475255068.

The spelling of 9943195089 in words is "nine billion, nine hundred forty-three million, one hundred ninety-five thousand, eighty-nine".