38781264851297 has 2 divisors, whose sum is σ = 38781264851298. Its totient is φ = 38781264851296.

The previous prime is 38781264851261. The next prime is 38781264851347. The reversal of 38781264851297 is 79215846218783.

38781264851297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36668547367936 + 2112717483361 = 6055456^2 + 1453519^2 .

It is an emirp because it is prime and its reverse (79215846218783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38781264851297 - 2¹⁴ = 38781264834913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38781264851297.

It is not a weakly prime, because it can be changed into another prime (38781264850297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19390632425648 + 19390632425649.

It is an arithmetic number, because the mean of its divisors is an integer number (19390632425649).

Almost surely, 2^{38781264851297} is an apocalyptic number.

It is an amenable number.

38781264851297 is a deficient number, since it is larger than the sum of its proper divisors (1).

38781264851297 is an equidigital number, since it uses as much as digits as its factorization.

38781264851297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 325140480, while the sum is 71.

The spelling of 38781264851297 in words is "thirty-eight trillion, seven hundred eighty-one billion, two hundred sixty-four million, eight hundred fifty-one thousand, two hundred ninety-seven".