431126253535163 has 4 divisors (see below), whose sum is σ = 439260711149088. Its totient is φ = 422991795921240.

The previous prime is 431126253535157. The next prime is 431126253535259. The reversal of 431126253535163 is 361535352621134.

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 431126253535163 - 2¹⁶ = 431126253469627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431126253535063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4067228806883 + ... + 4067228806988.

It is an arithmetic number, because the mean of its divisors is an integer number (109815177787272).

Almost surely, 2^{431126253535163} is an apocalyptic number.

431126253535163 is a deficient number, since it is larger than the sum of its proper divisors (8134457613925).

431126253535163 is an equidigital number, since it uses as much as digits as its factorization.

431126253535163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8134457613924.

The product of its digits is 5832000, while the sum is 50.

The spelling of 431126253535163 in words is "four hundred thirty-one trillion, one hundred twenty-six billion, two hundred fifty-three million, five hundred thirty-five thousand, one hundred sixty-three".