424131443189 has 2 divisors, whose sum is σ = 424131443190. Its totient is φ = 424131443188.

The previous prime is 424131443161. The next prime is 424131443231. The reversal of 424131443189 is 981344131424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299190402289 + 124941040900 = 546983^2 + 353470^2 .

It is a cyclic number.

It is not a de Polignac number, because 424131443189 - 2¹² = 424131439093 is a prime.

It is a super-2 number, since 2×424131443189² (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 (424131443129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212065721594 + 212065721595.

It is an arithmetic number, because the mean of its divisors is an integer number (212065721595).

Almost surely, 2^424131443189 is an apocalyptic number.

It is an amenable number.

424131443189 is a deficient number, since it is larger than the sum of its proper divisors (1).

424131443189 is an equidigital number, since it uses as much as digits as its factorization.

424131443189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 44.

The spelling of 424131443189 in words is "four hundred twenty-four billion, one hundred thirty-one million, four hundred forty-three thousand, one hundred eighty-nine".