9643433126481 has 384 divisors, whose sum is σ = 18608616898560. Its totient is φ = 4667718182400.

The previous prime is 9643433126447. The next prime is 9643433126501. The reversal of 9643433126481 is 1846213343469.

9643433126481 is a `hidden beast` number, since 9 + 6 + 4 + 3 + 4 + 33 + 126 + 481 = 666.

It is not a de Polignac number, because 9643433126481 - 2¹⁵ = 9643433093713 is a prime.

It is a super-2 number, since 2×9643433126481² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9643433126281) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 20132428000 + ... + 20132428478.

It is an arithmetic number, because the mean of its divisors is an integer number (48459939840).

Almost surely, 2^{9643433126481} is an apocalyptic number.

It is an amenable number.

9643433126481 is a deficient number, since it is larger than the sum of its proper divisors (8965183772079).

9643433126481 is a wasteful number, since it uses less digits than its factorization.

9643433126481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 862 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The spelling of 9643433126481 in words is "nine trillion, six hundred forty-three billion, four hundred thirty-three million, one hundred twenty-six thousand, four hundred eighty-one".