8433426641 has 2 divisors, whose sum is σ = 8433426642. Its totient is φ = 8433426640.

The previous prime is 8433426637. The next prime is 8433426707. The reversal of 8433426641 is 1466243348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8427974416 + 5452225 = 91804^2 + 2335^2 .

It is a cyclic number.

It is not a de Polignac number, because 8433426641 - 2² = 8433426637 is a prime.

It is a super-2 number, since 2×8433426641² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8433426611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4216713320 + 4216713321.

It is an arithmetic number, because the mean of its divisors is an integer number (4216713321).

Almost surely, 2^8433426641 is an apocalyptic number.

It is an amenable number.

8433426641 is a deficient number, since it is larger than the sum of its proper divisors (1).

8433426641 is an equidigital number, since it uses as much as digits as its factorization.

8433426641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 41.

The square root of 8433426641 is about 91833.6901196941. The cubic root of 8433426641 is about 2035.4855508996.

Adding to 8433426641 its reverse (1466243348), we get a palindrome (9899669989).

The spelling of 8433426641 in words is "eight billion, four hundred thirty-three million, four hundred twenty-six thousand, six hundred forty-one".