38678422636229 has 2 divisors, whose sum is σ = 38678422636230. Its totient is φ = 38678422636228.

The previous prime is 38678422636207. The next prime is 38678422636247. The reversal of 38678422636229 is 92263622487683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37513199539204 + 1165223097025 = 6124802^2 + 1079455^2 .

It is an emirp because it is prime and its reverse (92263622487683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38678422636229 - 2¹⁶ = 38678422570693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38678422636289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19339211318114 + 19339211318115.

It is an arithmetic number, because the mean of its divisors is an integer number (19339211318115).

Almost surely, 2^{38678422636229} is an apocalyptic number.

It is an amenable number.

38678422636229 is a deficient number, since it is larger than the sum of its proper divisors (1).

38678422636229 is an equidigital number, since it uses as much as digits as its factorization.

38678422636229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 501645312, while the sum is 68.

The spelling of 38678422636229 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred twenty-two million, six hundred thirty-six thousand, two hundred twenty-nine".