43903672043 has 24 divisors (see below), whose sum is σ = 55806695424. Its totient is φ = 34154038800.

The previous prime is 43903672037. The next prime is 43903672049. The reversal of 43903672043 is 34027630934.

It is an interprime number because it is at equal distance from previous prime (43903672037) and next prime (43903672049).

It is not a de Polignac number, because 43903672043 - 2⁴ = 43903672027 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43903672049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260078 + ... + 394268.

It is an arithmetic number, because the mean of its divisors is an integer number (2325278976).

Almost surely, 2^43903672043 is an apocalyptic number.

43903672043 is a deficient number, since it is larger than the sum of its proper divisors (11903023381).

43903672043 is a wasteful number, since it uses less digits than its factorization.

43903672043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134823 (or 134816 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 41.

The spelling of 43903672043 in words is "forty-three billion, nine hundred three million, six hundred seventy-two thousand, forty-three".