38863255149 has 12 divisors (see below), whose sum is σ = 56493367996. Its totient is φ = 25743811392.

The previous prime is 38863255147. The next prime is 38863255169. The reversal of 38863255149 is 94155236883.

38863255149 is a `hidden beast` number, since 3 + 8 + 86 + 3 + 2 + 551 + 4 + 9 = 666.

38863255149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3566239524 + 35297015625 = 59718^2 + 187875^2 .

It is not a de Polignac number, because 38863255149 - 2¹ = 38863255147 is a prime.

It is a super-3 number, since 3×38863255149³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38863255095 and 38863255104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38863255147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13750624 + ... + 13753449.

Almost surely, 2^38863255149 is an apocalyptic number.

It is an amenable number.

38863255149 is a deficient number, since it is larger than the sum of its proper divisors (17630112847).

38863255149 is a wasteful number, since it uses less digits than its factorization.

38863255149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27504236 (or 27504233 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 38863255149 in words is "thirty-eight billion, eight hundred sixty-three million, two hundred fifty-five thousand, one hundred forty-nine".