38787378163073 has 2 divisors, whose sum is σ = 38787378163074. Its totient is φ = 38787378163072.

The previous prime is 38787378163063. The next prime is 38787378163091. The reversal of 38787378163073 is 37036187378783.

38787378163073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36029862190144 + 2757515972929 = 6002488^2 + 1660577^2 .

It is a cyclic number.

It is not a de Polignac number, because 38787378163073 - 2⁴ = 38787378163057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38787378162988 and 38787378163006.

It is not a weakly prime, because it can be changed into another prime (38787378163063) 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 as a sum of consecutive naturals, namely, 19393689081536 + 19393689081537.

It is an arithmetic number, because the mean of its divisors is an integer number (19393689081537).

Almost surely, 2^{38787378163073} is an apocalyptic number.

It is an amenable number.

38787378163073 is a deficient number, since it is larger than the sum of its proper divisors (1).

38787378163073 is an equidigital number, since it uses as much as digits as its factorization.

38787378163073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 597445632, while the sum is 71.

The spelling of 38787378163073 in words is "thirty-eight trillion, seven hundred eighty-seven billion, three hundred seventy-eight million, one hundred sixty-three thousand, seventy-three".