38055546449 has 2 divisors, whose sum is σ = 38055546450. Its totient is φ = 38055546448.

The previous prime is 38055546391. The next prime is 38055546497. The reversal of 38055546449 is 94464555083.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38009401600 + 46144849 = 194960^2 + 6793^2 .

It is an emirp because it is prime and its reverse (94464555083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38055546449 - 2¹⁶ = 38055480913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38055546449.

It is not a weakly prime, because it can be changed into another prime (38055546349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19027773224 + 19027773225.

It is an arithmetic number, because the mean of its divisors is an integer number (19027773225).

Almost surely, 2^38055546449 is an apocalyptic number.

It is an amenable number.

38055546449 is a deficient number, since it is larger than the sum of its proper divisors (1).

38055546449 is an equidigital number, since it uses as much as digits as its factorization.

38055546449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 38055546449 in words is "thirty-eight billion, fifty-five million, five hundred forty-six thousand, four hundred forty-nine".