38055547381 has 2 divisors, whose sum is σ = 38055547382. Its totient is φ = 38055547380.

The previous prime is 38055547363. The next prime is 38055547399. The reversal of 38055547381 is 18374555083.

38055547381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (38055547363) and next prime (38055547399).

It can be written as a sum of positive squares in only one way, i.e., 37322762481 + 732784900 = 193191^2 + 27070^2 .

It is a cyclic number.

It is not a de Polignac number, because 38055547381 - 2⁹ = 38055546869 is a prime.

It is a super-2 number, since 2×38055547381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38055547301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19027773690 + 19027773691.

It is an arithmetic number, because the mean of its divisors is an integer number (19027773691).

Almost surely, 2^38055547381 is an apocalyptic number.

It is an amenable number.

38055547381 is a deficient number, since it is larger than the sum of its proper divisors (1).

38055547381 is an equidigital number, since it uses as much as digits as its factorization.

38055547381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016000, while the sum is 49.

The spelling of 38055547381 in words is "thirty-eight billion, fifty-five million, five hundred forty-seven thousand, three hundred eighty-one".