8939492368 has 10 divisors (see below), whose sum is σ = 17320266494. Its totient is φ = 4469746176.

The previous prime is 8939492339. The next prime is 8939492383. The reversal of 8939492368 is 8632949398.

It can be written as a sum of positive squares in only one way, i.e., 7047938304 + 1891554064 = 83952^2 + 43492^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279359121 + ... + 279359152.

Almost surely, 2^8939492368 is an apocalyptic number.

It is an amenable number.

8939492368 is a deficient number, since it is larger than the sum of its proper divisors (8380774126).

8939492368 is a wasteful number, since it uses less digits than its factorization.

8939492368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558718281 (or 558718275 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 61.

The square root of 8939492368 is about 94548.8887718941. Note that the first 3 decimals coincide. The cubic root of 8939492368 is about 2075.4118207533.

The spelling of 8939492368 in words is "eight billion, nine hundred thirty-nine million, four hundred ninety-two thousand, three hundred sixty-eight".