43134404309 has 4 divisors (see below), whose sum is σ = 45009813216. Its totient is φ = 41258995404.

The previous prime is 43134404303. The next prime is 43134404311. The reversal of 43134404309 is 90340443134.

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 43134404309 - 2¹² = 43134400213 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 (43134404303) 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, 937704419 + ... + 937704464.

It is an arithmetic number, because the mean of its divisors is an integer number (11252453304).

Almost surely, 2^43134404309 is an apocalyptic number.

It is an amenable number.

43134404309 is a deficient number, since it is larger than the sum of its proper divisors (1875408907).

43134404309 is a wasteful number, since it uses less digits than its factorization.

43134404309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875408906.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 43134404309 in words is "forty-three billion, one hundred thirty-four million, four hundred four thousand, three hundred nine".