6338918984 has 8 divisors (see below), whose sum is σ = 11885473110. Its totient is φ = 3169459488.

The previous prime is 6338918969. The next prime is 6338918987. The reversal of 6338918984 is 4898198336.

It can be written as a sum of positive squares in only one way, i.e., 5527922500 + 810996484 = 74350^2 + 28478^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6338918987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 396182429 + ... + 396182444.

Almost surely, 2^6338918984 is an apocalyptic number.

It is an amenable number.

6338918984 is a deficient number, since it is larger than the sum of its proper divisors (5546554126).

6338918984 is a wasteful number, since it uses less digits than its factorization.

6338918984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792364879 (or 792364875 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 59.

The square root of 6338918984 is about 79617.3284153645. The cubic root of 6338918984 is about 1850.7101227095.

The spelling of 6338918984 in words is "six billion, three hundred thirty-eight million, nine hundred eighteen thousand, nine hundred eighty-four".