9943327493 has 4 divisors (see below), whose sum is σ = 10847266368. Its totient is φ = 9039388620.

The previous prime is 9943327483. The next prime is 9943327543. The reversal of 9943327493 is 3947233499.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9943327493 - 2¹⁶ = 9943261957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9943327463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451969421 + ... + 451969442.

It is an arithmetic number, because the mean of its divisors is an integer number (2711816592).

Almost surely, 2^9943327493 is an apocalyptic number.

It is an amenable number.

9943327493 is a deficient number, since it is larger than the sum of its proper divisors (903938875).

9943327493 is a wasteful number, since it uses less digits than its factorization.

9943327493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903938874.

The product of its digits is 4408992, while the sum is 53.

The square root of 9943327493 is about 99716.2348517031. The cubic root of 9943327493 is about 2150.3570701702.

The spelling of 9943327493 in words is "nine billion, nine hundred forty-three million, three hundred twenty-seven thousand, four hundred ninety-three".