43112869073 has 4 divisors (see below), whose sum is σ = 43134140400. Its totient is φ = 43091597748.

The previous prime is 43112869067. The next prime is 43112869099. The reversal of 43112869073 is 37096821134.

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 43112869073 - 2⁸ = 43112868817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43112869273) 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, 10632623 + ... + 10636676.

It is an arithmetic number, because the mean of its divisors is an integer number (10783535100).

Almost surely, 2^43112869073 is an apocalyptic number.

It is an amenable number.

43112869073 is a deficient number, since it is larger than the sum of its proper divisors (21271327).

43112869073 is a wasteful number, since it uses less digits than its factorization.

43112869073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21271326.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 43112869073 in words is "forty-three billion, one hundred twelve million, eight hundred sixty-nine thousand, seventy-three".