38545372522381 has 2 divisors, whose sum is σ = 38545372522382. Its totient is φ = 38545372522380.

The previous prime is 38545372522309. The next prime is 38545372522417. The reversal of 38545372522381 is 18322527354583.

38545372522381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28143650993481 + 10401721528900 = 5305059^2 + 3225170^2 .

It is a cyclic number.

It is not a de Polignac number, because 38545372522381 - 2¹⁹ = 38545371998093 is a prime.

It is a super-2 number, since 2×38545372522381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38545372562381) 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, 19272686261190 + 19272686261191.

It is an arithmetic number, because the mean of its divisors is an integer number (19272686261191).

Almost surely, 2^{38545372522381} is an apocalyptic number.

It is an amenable number.

38545372522381 is a deficient number, since it is larger than the sum of its proper divisors (1).

38545372522381 is an equidigital number, since it uses as much as digits as its factorization.

38545372522381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384000, while the sum is 58.

The spelling of 38545372522381 in words is "thirty-eight trillion, five hundred forty-five billion, three hundred seventy-two million, five hundred twenty-two thousand, three hundred eighty-one".