38318049829 has 2 divisors, whose sum is σ = 38318049830. Its totient is φ = 38318049828.

The previous prime is 38318049817. The next prime is 38318049839. The reversal of 38318049829 is 92894081383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22899860929 + 15418188900 = 151327^2 + 124170^2 .

It is an emirp because it is prime and its reverse (92894081383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38318049829 - 2⁷ = 38318049701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38318049829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38318049839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19159024914 + 19159024915.

It is an arithmetic number, because the mean of its divisors is an integer number (19159024915).

Almost surely, 2^38318049829 is an apocalyptic number.

It is an amenable number.

38318049829 is a deficient number, since it is larger than the sum of its proper divisors (1).

38318049829 is an equidigital number, since it uses as much as digits as its factorization.

38318049829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 38318049829 in words is "thirty-eight billion, three hundred eighteen million, forty-nine thousand, eight hundred twenty-nine".