6993380399 has 4 divisors (see below), whose sum is σ = 6993630264. Its totient is φ = 6993130536.

The previous prime is 6993380353. The next prime is 6993380417. The reversal of 6993380399 is 9930833996.

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

It is a cyclic number.

It is not a de Polignac number, because 6993380399 - 2⁸ = 6993380143 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 (6993380599) 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, 76757 + ... + 140990.

It is an arithmetic number, because the mean of its divisors is an integer number (1748407566).

Almost surely, 2^6993380399 is an apocalyptic number.

6993380399 is a deficient number, since it is larger than the sum of its proper divisors (249865).

6993380399 is a wasteful number, since it uses less digits than its factorization.

6993380399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249864.

The product of its (nonzero) digits is 8503056, while the sum is 59.

The square root of 6993380399 is about 83626.4336140194. The cubic root of 6993380399 is about 1912.3280001611.

The spelling of 6993380399 in words is "six billion, nine hundred ninety-three million, three hundred eighty thousand, three hundred ninety-nine".