431422144189 has 2 divisors, whose sum is σ = 431422144190. Its totient is φ = 431422144188.

The previous prime is 431422144177. The next prime is 431422144267. The reversal of 431422144189 is 981441224134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 356985935289 + 74436208900 = 597483^2 + 272830^2 .

It is a cyclic number.

It is not a de Polignac number, because 431422144189 - 2⁵ = 431422144157 is a prime.

It is a super-2 number, since 2×431422144189² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431422144159) 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 as a sum of consecutive naturals, namely, 215711072094 + 215711072095.

It is an arithmetic number, because the mean of its divisors is an integer number (215711072095).

Almost surely, 2^431422144189 is an apocalyptic number.

It is an amenable number.

431422144189 is a deficient number, since it is larger than the sum of its proper divisors (1).

431422144189 is an equidigital number, since it uses as much as digits as its factorization.

431422144189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 43.

The spelling of 431422144189 in words is "four hundred thirty-one billion, four hundred twenty-two million, one hundred forty-four thousand, one hundred eighty-nine".