43096814021 has 4 divisors (see below), whose sum is σ = 43136462592. Its totient is φ = 43057165452.

The previous prime is 43096813993. The next prime is 43096814023. The reversal of 43096814021 is 12041869034.

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 43096814021 - 2¹⁸ = 43096551877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43096814023) 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, 19822655 + ... + 19824828.

It is an arithmetic number, because the mean of its divisors is an integer number (10784115648).

Almost surely, 2^43096814021 is an apocalyptic number.

It is an amenable number.

43096814021 is a deficient number, since it is larger than the sum of its proper divisors (39648571).

43096814021 is a wasteful number, since it uses less digits than its factorization.

43096814021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39648570.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 43096814021 in words is "forty-three billion, ninety-six million, eight hundred fourteen thousand, twenty-one".