431717712457 has 4 divisors (see below), whose sum is σ = 431725896900. Its totient is φ = 431709528016.

The previous prime is 431717712409. The next prime is 431717712463. The reversal of 431717712457 is 754217717134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 258446157376 + 173271555081 = 508376^2 + 416259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431717712457 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 431717712457.

It is not an unprimeable number, because it can be changed into a prime (431717712487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4012582 + ... + 4118767.

It is an arithmetic number, because the mean of its divisors is an integer number (107931474225).

Almost surely, 2^431717712457 is an apocalyptic number.

It is an amenable number.

431717712457 is a deficient number, since it is larger than the sum of its proper divisors (8184443).

431717712457 is an equidigital number, since it uses as much as digits as its factorization.

431717712457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8184442.

The product of its digits is 1152480, while the sum is 49.

The spelling of 431717712457 in words is "four hundred thirty-one billion, seven hundred seventeen million, seven hundred twelve thousand, four hundred fifty-seven".