43629612861 has 16 divisors (see below), whose sum is σ = 60349296960. Its totient is φ = 28003852800.

The previous prime is 43629612857. The next prime is 43629612881. The reversal of 43629612861 is 16821692634.

It is not a de Polignac number, because 43629612861 - 2² = 43629612857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43629612861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43629612881) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 679615 + ... + 741036.

It is an arithmetic number, because the mean of its divisors is an integer number (3771831060).

Almost surely, 2^43629612861 is an apocalyptic number.

It is an amenable number.

43629612861 is a deficient number, since it is larger than the sum of its proper divisors (16719684099).

43629612861 is a wasteful number, since it uses less digits than its factorization.

43629612861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421036.

The product of its digits is 746496, while the sum is 48.

The spelling of 43629612861 in words is "forty-three billion, six hundred twenty-nine million, six hundred twelve thousand, eight hundred sixty-one".