43612223818071 has 4 divisors (see below), whose sum is σ = 58149631757432. Its totient is φ = 29074815878712.

The previous prime is 43612223818063. The next prime is 43612223818103. The reversal of 43612223818071 is 17081832221634.

It is a happy number.

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

It is not a de Polignac number, because 43612223818071 - 2³ = 43612223818063 is a prime.

It is a super-2 number, since 2×43612223818071² (a number of 28 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 43612223818071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43612223868071) 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, 7268703969676 + ... + 7268703969681.

It is an arithmetic number, because the mean of its divisors is an integer number (14537407939358).

Almost surely, 2^{43612223818071} is an apocalyptic number.

43612223818071 is a deficient number, since it is larger than the sum of its proper divisors (14537407939361).

43612223818071 is a wasteful number, since it uses less digits than its factorization.

43612223818071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14537407939360.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 43612223818071 in words is "forty-three trillion, six hundred twelve billion, two hundred twenty-three million, eight hundred eighteen thousand, seventy-one".