38720383012 has 6 divisors (see below), whose sum is σ = 67760670278. Its totient is φ = 19360191504.

The previous prime is 38720383001. The next prime is 38720383057. The reversal of 38720383012 is 21038302783.

It can be written as a sum of positive squares in only one way, i.e., 32451860736 + 6268522276 = 180144^2 + 79174^2 .

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, 4840047873 + ... + 4840047880.

Almost surely, 2^38720383012 is an apocalyptic number.

It is an amenable number.

38720383012 is a deficient number, since it is larger than the sum of its proper divisors (29040287266).

38720383012 is a wasteful number, since it uses less digits than its factorization.

38720383012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9680095757 (or 9680095755 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

Adding to 38720383012 its reverse (21038302783), we get a palindrome (59758685795).

The spelling of 38720383012 in words is "thirty-eight billion, seven hundred twenty million, three hundred eighty-three thousand, twelve".