43252000999 has 4 divisors (see below), whose sum is σ = 43592568064. Its totient is φ = 42911433936.

The previous prime is 43252000969. The next prime is 43252001003. The reversal of 43252000999 is 99900025234.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43252000999 - 2¹⁹ = 43251476711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43252000969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170283342 + ... + 170283595.

It is an arithmetic number, because the mean of its divisors is an integer number (10898142016).

Almost surely, 2^43252000999 is an apocalyptic number.

43252000999 is a deficient number, since it is larger than the sum of its proper divisors (340567065).

43252000999 is a wasteful number, since it uses less digits than its factorization.

43252000999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340567064.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 43252000999 in words is "forty-three billion, two hundred fifty-two million, nine hundred ninety-nine", and thus it is an aban number.