38678655433673 has 4 divisors (see below), whose sum is σ = 38678951637120. Its totient is φ = 38678359230228.

The previous prime is 38678655433669. The next prime is 38678655433679. The reversal of 38678655433673 is 37633455687683.

38678655433673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38678655433673 - 2² = 38678655433669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38678655433673.

It is not an unprimeable number, because it can be changed into a prime (38678655433679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147905765 + ... + 148167042.

It is an arithmetic number, because the mean of its divisors is an integer number (9669737909280).

Almost surely, 2^{38678655433673} is an apocalyptic number.

It is an amenable number.

38678655433673 is a deficient number, since it is larger than the sum of its proper divisors (296203447).

38678655433673 is a wasteful number, since it uses less digits than its factorization.

38678655433673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296203446.

The product of its digits is 5486745600, while the sum is 74.

The spelling of 38678655433673 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred fifty-five million, four hundred thirty-three thousand, six hundred seventy-three".