9939473896814 has 32 divisors (see below), whose sum is σ = 18588261390336. Its totient is φ = 3872490138720.

The previous prime is 9939473896811. The next prime is 9939473896831. The reversal of 9939473896814 is 4186983749399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9939473896811) 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 in 15 ways as a sum of consecutive naturals, for example, 27957152 + ... + 28310444.

It is an arithmetic number, because the mean of its divisors is an integer number (580883168448).

Almost surely, 2^{9939473896814} is an apocalyptic number.

9939473896814 is a deficient number, since it is larger than the sum of its proper divisors (8648787493522).

9939473896814 is a wasteful number, since it uses less digits than its factorization.

9939473896814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536000.

The product of its digits is 2539579392, while the sum is 80.

The spelling of 9939473896814 in words is "nine trillion, nine hundred thirty-nine billion, four hundred seventy-three million, eight hundred ninety-six thousand, eight hundred fourteen".