43725985863 has 32 divisors (see below), whose sum is σ = 72399421440. Its totient is φ = 22907616480.

The previous prime is 43725985861. The next prime is 43725985873. The reversal of 43725985863 is 36858952734.

It is not a de Polignac number, because 43725985863 - 2¹ = 43725985861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43725985797 and 43725985806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43725985861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1755195 + ... + 1779932.

It is an arithmetic number, because the mean of its divisors is an integer number (2262481920).

Almost surely, 2^43725985863 is an apocalyptic number.

43725985863 is a deficient number, since it is larger than the sum of its proper divisors (28673435577).

43725985863 is a wasteful number, since it uses less digits than its factorization.

43725985863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535187.

The product of its digits is 43545600, while the sum is 60.

The spelling of 43725985863 in words is "forty-three billion, seven hundred twenty-five million, nine hundred eighty-five thousand, eight hundred sixty-three".