38659183813 has 2 divisors, whose sum is σ = 38659183814. Its totient is φ = 38659183812.

The previous prime is 38659183811. The next prime is 38659183907. The reversal of 38659183813 is 31838195683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31047144804 + 7612039009 = 176202^2 + 87247^2 .

It is a cyclic number.

It is not a de Polignac number, because 38659183813 - 2¹ = 38659183811 is a prime.

It is a super-3 number, since 3×38659183813³ (a number of 33 digits) contains 333 as substring.

Together with 38659183811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38659183811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19329591906 + 19329591907.

It is an arithmetic number, because the mean of its divisors is an integer number (19329591907).

Almost surely, 2^38659183813 is an apocalyptic number.

It is an amenable number.

38659183813 is a deficient number, since it is larger than the sum of its proper divisors (1).

38659183813 is an equidigital number, since it uses as much as digits as its factorization.

38659183813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 55.

The spelling of 38659183813 in words is "thirty-eight billion, six hundred fifty-nine million, one hundred eighty-three thousand, eight hundred thirteen".