43432014431 has 4 divisors (see below), whose sum is σ = 46772938632. Its totient is φ = 40091090232.

The previous prime is 43432014427. The next prime is 43432014433. The reversal of 43432014431 is 13441023434.

It is a happy number.

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 43432014431 - 2² = 43432014427 is a prime.

It is a super-2 number, since 2×43432014431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43432014394 and 43432014403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43432014433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670462081 + ... + 1670462106.

It is an arithmetic number, because the mean of its divisors is an integer number (11693234658).

Almost surely, 2^43432014431 is an apocalyptic number.

43432014431 is a deficient number, since it is larger than the sum of its proper divisors (3340924201).

43432014431 is a wasteful number, since it uses less digits than its factorization.

43432014431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340924200.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 43432014431 its reverse (13441023434), we get a palindrome (56873037865).

The spelling of 43432014431 in words is "forty-three billion, four hundred thirty-two million, fourteen thousand, four hundred thirty-one".