38678422703813 has 2 divisors, whose sum is σ = 38678422703814. Its totient is φ = 38678422703812.

The previous prime is 38678422703771. The next prime is 38678422703827. The reversal of 38678422703813 is 31830722487683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36877721726209 + 1800700977604 = 6072703^2 + 1341902^2 .

It is a cyclic number.

It is not a de Polignac number, because 38678422703813 - 2¹⁶ = 38678422638277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38678422706813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19339211351906 + 19339211351907.

It is an arithmetic number, because the mean of its divisors is an integer number (19339211351907).

Almost surely, 2^{38678422703813} is an apocalyptic number.

It is an amenable number.

38678422703813 is a deficient number, since it is larger than the sum of its proper divisors (1).

38678422703813 is an equidigital number, since it uses as much as digits as its factorization.

38678422703813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65028096, while the sum is 62.

The spelling of 38678422703813 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred twenty-two million, seven hundred three thousand, eight hundred thirteen".