43685843051 has 8 divisors (see below), whose sum is σ = 43727826480. Its totient is φ = 43643884032.

The previous prime is 43685843039. The next prime is 43685843087. The reversal of 43685843051 is 15034858634.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43685843051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43685842987 and 43685843005.

It is not an unprimeable number, because it can be changed into a prime (43685843011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6027836 + ... + 6035078.

It is an arithmetic number, because the mean of its divisors is an integer number (5465978310).

Almost surely, 2^43685843051 is an apocalyptic number.

43685843051 is a deficient number, since it is larger than the sum of its proper divisors (41983429).

43685843051 is a wasteful number, since it uses less digits than its factorization.

43685843051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12205.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 43685843051 in words is "forty-three billion, six hundred eighty-five million, eight hundred forty-three thousand, fifty-one".