43132072837 has 4 divisors (see below), whose sum is σ = 49293797536. Its totient is φ = 36970348140.

The previous prime is 43132072751. The next prime is 43132072889. The reversal of 43132072837 is 73827023134.

43132072837 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43132072837 - 2¹¹ = 43132070789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43132072837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43132076837) 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, 3080862339 + ... + 3080862352.

It is an arithmetic number, because the mean of its divisors is an integer number (12323449384).

Almost surely, 2^43132072837 is an apocalyptic number.

It is an amenable number.

43132072837 is a deficient number, since it is larger than the sum of its proper divisors (6161724699).

43132072837 is an equidigital number, since it uses as much as digits as its factorization.

43132072837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161724698.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 43132072837 in words is "forty-three billion, one hundred thirty-two million, seventy-two thousand, eight hundred thirty-seven".