43202872903 has 4 divisors (see below), whose sum is σ = 43723389528. Its totient is φ = 42682356280.

The previous prime is 43202872861. The next prime is 43202872907. The reversal of 43202872903 is 30927820234.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43202872903 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43202872907) 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 3 ways as a sum of consecutive naturals, for example, 260258188 + ... + 260258353.

It is an arithmetic number, because the mean of its divisors is an integer number (10930847382).

Almost surely, 2^43202872903 is an apocalyptic number.

43202872903 is a deficient number, since it is larger than the sum of its proper divisors (520516625).

43202872903 is an equidigital number, since it uses as much as digits as its factorization.

43202872903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520516624.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 43202872903 in words is "forty-three billion, two hundred two million, eight hundred seventy-two thousand, nine hundred three".