38743935812 has 6 divisors (see below), whose sum is σ = 67801887678. Its totient is φ = 19371967904.

The previous prime is 38743935767. The next prime is 38743935817. The reversal of 38743935812 is 21853934783.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 31717472836 + 7026462976 = 178094^2 + 83824^2 .

It is not an unprimeable number, because it can be changed into a prime (38743935817) by changing a digit.

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, 4842991973 + ... + 4842991980.

It is an arithmetic number, because the mean of its divisors is an integer number (11300314613).

Almost surely, 2^38743935812 is an apocalyptic number.

It is an amenable number.

38743935812 is a deficient number, since it is larger than the sum of its proper divisors (29057951866).

38743935812 is a wasteful number, since it uses less digits than its factorization.

38743935812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9685983957 (or 9685983955 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 53.

The spelling of 38743935812 in words is "thirty-eight billion, seven hundred forty-three million, nine hundred thirty-five thousand, eight hundred twelve".