6993535334399 has 4 divisors (see below), whose sum is σ = 6998251138536. Its totient is φ = 6988819530264.

The previous prime is 6993535334377. The next prime is 6993535334407. The reversal of 6993535334399 is 9934335353996.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6993535334399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6993535334309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357899844 + ... + 2357902809.

It is an arithmetic number, because the mean of its divisors is an integer number (1749562784634).

Almost surely, 2^{6993535334399} is an apocalyptic number.

6993535334399 is a deficient number, since it is larger than the sum of its proper divisors (4715804137).

6993535334399 is a wasteful number, since it uses less digits than its factorization.

6993535334399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715804136.

The product of its digits is 956593800, while the sum is 71.

The spelling of 6993535334399 in words is "six trillion, nine hundred ninety-three billion, five hundred thirty-five million, three hundred thirty-four thousand, three hundred ninety-nine".