6938384066 has 8 divisors (see below), whose sum is σ = 10413824400. Its totient is φ = 3467109268.

The previous prime is 6938384051. The next prime is 6938384069. The reversal of 6938384066 is 6604838396.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6938383999 and 6938384017.

It is not an unprimeable number, because it can be changed into a prime (6938384069) 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, 1037216 + ... + 1043883.

It is an arithmetic number, because the mean of its divisors is an integer number (1301728050).

Almost surely, 2^6938384066 is an apocalyptic number.

6938384066 is a deficient number, since it is larger than the sum of its proper divisors (3475440334).

6938384066 is a wasteful number, since it uses less digits than its factorization.

6938384066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082768.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The square root of 6938384066 is about 83296.9631259147. The cubic root of 6938384066 is about 1907.3019172761.

The spelling of 6938384066 in words is "six billion, nine hundred thirty-eight million, three hundred eighty-four thousand, sixty-six".