9143057109 has 4 divisors (see below), whose sum is σ = 12190742816. Its totient is φ = 6095371404.

The previous prime is 9143057101. The next prime is 9143057123. The reversal of 9143057109 is 9017503419.

It is a happy number.

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 9143057109 - 2³ = 9143057101 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 (9143057101) 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, 1523842849 + ... + 1523842854.

It is an arithmetic number, because the mean of its divisors is an integer number (3047685704).

Almost surely, 2^9143057109 is an apocalyptic number.

It is an amenable number.

9143057109 is a deficient number, since it is larger than the sum of its proper divisors (3047685707).

9143057109 is a wasteful number, since it uses less digits than its factorization.

9143057109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047685706.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 9143057109 is about 95619.3343890241. The cubic root of 9143057109 is about 2091.0470787137.

The spelling of 9143057109 in words is "nine billion, one hundred forty-three million, fifty-seven thousand, one hundred nine".