43242865907 has 4 divisors (see below), whose sum is σ = 43245392736. Its totient is φ = 43240339080.

The previous prime is 43242865891. The next prime is 43242865921. The reversal of 43242865907 is 70956824234.

43242865907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 43242865907 - 2⁴ = 43242865891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43242865007) 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, 1237568 + ... + 1272029.

It is an arithmetic number, because the mean of its divisors is an integer number (10811348184).

Almost surely, 2^43242865907 is an apocalyptic number.

43242865907 is a deficient number, since it is larger than the sum of its proper divisors (2526829).

43242865907 is a wasteful number, since it uses less digits than its factorization.

43242865907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526828.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 43242865907 in words is "forty-three billion, two hundred forty-two million, eight hundred sixty-five thousand, nine hundred seven".