43071643616 has 12 divisors (see below), whose sum is σ = 84797298432. Its totient is φ = 21535821792.

The previous prime is 43071643597. The next prime is 43071643619. The reversal of 43071643616 is 61634617034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43071643619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672994400 + ... + 672994463.

It is an arithmetic number, because the mean of its divisors is an integer number (7066441536).

Almost surely, 2^43071643616 is an apocalyptic number.

It is an amenable number.

43071643616 is a deficient number, since it is larger than the sum of its proper divisors (41725654816).

43071643616 is a wasteful number, since it uses less digits than its factorization.

43071643616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345988873 (or 1345988865 counting only the distinct ones).

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

The spelling of 43071643616 in words is "forty-three billion, seventy-one million, six hundred forty-three thousand, six hundred sixteen".