43725259385 has 24 divisors (see below), whose sum is σ = 54520642176. Its totient is φ = 33662986560.

The previous prime is 43725259373. The next prime is 43725259399. The reversal of 43725259385 is 58395252734.

It is not a de Polignac number, because 43725259385 - 2¹⁰ = 43725258361 is a prime.

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 in 23 ways as a sum of consecutive naturals, for example, 1274000 + ... + 1307870.

It is an arithmetic number, because the mean of its divisors is an integer number (2271693424).

Almost surely, 2^43725259385 is an apocalyptic number.

It is an amenable number.

43725259385 is a deficient number, since it is larger than the sum of its proper divisors (10795382791).

43725259385 is a wasteful number, since it uses less digits than its factorization.

43725259385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34241 (or 34212 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 53.

The spelling of 43725259385 in words is "forty-three billion, seven hundred twenty-five million, two hundred fifty-nine thousand, three hundred eighty-five".