43103634221 has 4 divisors (see below), whose sum is σ = 43506472032. Its totient is φ = 42700796412.

The previous prime is 43103634209. The next prime is 43103634241. The reversal of 43103634221 is 12243630134.

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 43103634221 - 2¹⁰ = 43103633197 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 (43103634241) 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, 201418745 + ... + 201418958.

It is an arithmetic number, because the mean of its divisors is an integer number (10876618008).

Almost surely, 2^43103634221 is an apocalyptic number.

It is an amenable number.

43103634221 is a deficient number, since it is larger than the sum of its proper divisors (402837811).

43103634221 is a wasteful number, since it uses less digits than its factorization.

43103634221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402837810.

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 43103634221 in words is "forty-three billion, one hundred three million, six hundred thirty-four thousand, two hundred twenty-one".