38318822657 has 2 divisors, whose sum is σ = 38318822658. Its totient is φ = 38318822656.

The previous prime is 38318822621. The next prime is 38318822693. The reversal of 38318822657 is 75622881383.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (38318822621) and next prime (38318822693).

It can be written as a sum of positive squares in only one way, i.e., 38304752656 + 14070001 = 195716^2 + 3751^2 .

It is a cyclic number.

It is not a de Polignac number, because 38318822657 - 2⁶ = 38318822593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38318822599 and 38318822608.

It is not a weakly prime, because it can be changed into another prime (38318822557) 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, 19159411328 + 19159411329.

It is an arithmetic number, because the mean of its divisors is an integer number (19159411329).

Almost surely, 2^38318822657 is an apocalyptic number.

It is an amenable number.

38318822657 is a deficient number, since it is larger than the sum of its proper divisors (1).

38318822657 is an equidigital number, since it uses as much as digits as its factorization.

38318822657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3870720, while the sum is 53.

The spelling of 38318822657 in words is "thirty-eight billion, three hundred eighteen million, eight hundred twenty-two thousand, six hundred fifty-seven".