43721214863 has 4 divisors (see below), whose sum is σ = 43965467640. Its totient is φ = 43476962088.

The previous prime is 43721214853. The next prime is 43721214881. The reversal of 43721214863 is 36841212734.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43721214863 - 2⁶ = 43721214799 is a prime.

It is a super-2 number, since 2×43721214863² (a number of 22 digits) contains 22 as substring.

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 43721214863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43721214853) 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, 122126120 + ... + 122126477.

It is an arithmetic number, because the mean of its divisors is an integer number (10991366910).

Almost surely, 2^43721214863 is an apocalyptic number.

43721214863 is a deficient number, since it is larger than the sum of its proper divisors (244252777).

43721214863 is a wasteful number, since it uses less digits than its factorization.

43721214863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244252776.

The product of its digits is 193536, while the sum is 41.

The spelling of 43721214863 in words is "forty-three billion, seven hundred twenty-one million, two hundred fourteen thousand, eight hundred sixty-three".