43132399117 has 4 divisors (see below), whose sum is σ = 43776166336. Its totient is φ = 42488631900.

The previous prime is 43132399087. The next prime is 43132399213. The reversal of 43132399117 is 71199323134.

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 43132399117 - 2¹⁹ = 43131874829 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 (43132399417) 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, 321883509 + ... + 321883642.

It is an arithmetic number, because the mean of its divisors is an integer number (10944041584).

Almost surely, 2^43132399117 is an apocalyptic number.

It is an amenable number.

43132399117 is a deficient number, since it is larger than the sum of its proper divisors (643767219).

43132399117 is an equidigital number, since it uses as much as digits as its factorization.

43132399117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643767218.

The product of its digits is 122472, while the sum is 43.

The spelling of 43132399117 in words is "forty-three billion, one hundred thirty-two million, three hundred ninety-nine thousand, one hundred seventeen".