38684339968 has 18 divisors (see below), whose sum is σ = 77217569744. Its totient is φ = 19342169856.

The previous prime is 38684339963. The next prime is 38684339977. The reversal of 38684339968 is 86993348683.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38684339963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75555096 + ... + 75555607.

Almost surely, 2^38684339968 is an apocalyptic number.

It is an amenable number.

38684339968 is a deficient number, since it is larger than the sum of its proper divisors (38533229776).

38684339968 is an equidigital number, since it uses as much as digits as its factorization.

38684339968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151110719 (or 151110705 counting only the distinct ones).

The product of its digits is 161243136, while the sum is 67.

The spelling of 38684339968 in words is "thirty-eight billion, six hundred eighty-four million, three hundred thirty-nine thousand, nine hundred sixty-eight".