431134425643 has 4 divisors (see below), whose sum is σ = 431146123408. Its totient is φ = 431122727880.

The previous prime is 431134425641. The next prime is 431134425661. The reversal of 431134425643 is 346524431134.

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 431134425643 - 2¹ = 431134425641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431134425596 and 431134425605.

It is not an unprimeable number, because it can be changed into a prime (431134425641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5793423 + ... + 5867368.

It is an arithmetic number, because the mean of its divisors is an integer number (107786530852).

Almost surely, 2^431134425643 is an apocalyptic number.

431134425643 is a deficient number, since it is larger than the sum of its proper divisors (11697765).

431134425643 is a wasteful number, since it uses less digits than its factorization.

431134425643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11697764.

The product of its digits is 414720, while the sum is 40.

Adding to 431134425643 its reverse (346524431134), we get a palindrome (777658856777).

The spelling of 431134425643 in words is "four hundred thirty-one billion, one hundred thirty-four million, four hundred twenty-five thousand, six hundred forty-three".