38387525811269 has 2 divisors, whose sum is σ = 38387525811270. Its totient is φ = 38387525811268.

The previous prime is 38387525811199. The next prime is 38387525811307. The reversal of 38387525811269 is 96211852578383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37070684644900 + 1316841166369 = 6088570^2 + 1147537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38387525811269 is a prime.

It is a super-2 number, since 2×38387525811269² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38387525811199 and 38387525811208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38387525814269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19193762905634 + 19193762905635.

It is an arithmetic number, because the mean of its divisors is an integer number (19193762905635).

Almost surely, 2^{38387525811269} is an apocalyptic number.

It is an amenable number.

38387525811269 is a deficient number, since it is larger than the sum of its proper divisors (1).

38387525811269 is an equidigital number, since it uses as much as digits as its factorization.

38387525811269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174182400, while the sum is 68.

The spelling of 38387525811269 in words is "thirty-eight trillion, three hundred eighty-seven billion, five hundred twenty-five million, eight hundred eleven thousand, two hundred sixty-nine".