43246912073 has 4 divisors (see below), whose sum is σ = 45523065360. Its totient is φ = 40970758788.

The previous prime is 43246912019. The next prime is 43246912081. The reversal of 43246912073 is 37021964234.

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 43246912073 - 2⁸ = 43246911817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43246912073.

It is not an unprimeable number, because it can be changed into a prime (43246912003) 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, 1138076615 + ... + 1138076652.

It is an arithmetic number, because the mean of its divisors is an integer number (11380766340).

Almost surely, 2^43246912073 is an apocalyptic number.

It is an amenable number.

43246912073 is a deficient number, since it is larger than the sum of its proper divisors (2276153287).

43246912073 is a wasteful number, since it uses less digits than its factorization.

43246912073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276153286.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 43246912073 in words is "forty-three billion, two hundred forty-six million, nine hundred twelve thousand, seventy-three".