43216612436 has 6 divisors (see below), whose sum is σ = 75629071770. Its totient is φ = 21608306216.

The previous prime is 43216612429. The next prime is 43216612451. The reversal of 43216612436 is 63421661234.

It can be written as a sum of positive squares in only one way, i.e., 28866010000 + 14350602436 = 169900^2 + 119794^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43216612436.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5402076551 + ... + 5402076558.

It is an arithmetic number, because the mean of its divisors is an integer number (12604845295).

Almost surely, 2^43216612436 is an apocalyptic number.

It is an amenable number.

43216612436 is a deficient number, since it is larger than the sum of its proper divisors (32412459334).

43216612436 is a wasteful number, since it uses less digits than its factorization.

43216612436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10804153113 (or 10804153111 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The spelling of 43216612436 in words is "forty-three billion, two hundred sixteen million, six hundred twelve thousand, four hundred thirty-six".