38290144149 has 20 divisors (see below), whose sum is σ = 57529507596. Its totient is φ = 25379199936.

The previous prime is 38290144147. The next prime is 38290144153. The reversal of 38290144149 is 94144109283.

38290144149 is a `hidden beast` number, since 3 + 82 + 90 + 1 + 441 + 49 = 666.

38290144149 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 37348268049 + 941876100 = 193257^2 + 30690^2 .

It is not a de Polignac number, because 38290144149 - 2¹ = 38290144147 is a prime.

It is a super-2 number, since 2×38290144149² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38290144147) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1352224 + ... + 1380249.

Almost surely, 2^38290144149 is an apocalyptic number.

It is an amenable number.

38290144149 is a deficient number, since it is larger than the sum of its proper divisors (19239363447).

38290144149 is a wasteful number, since it uses less digits than its factorization.

38290144149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732658 (or 2732649 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 38290144149 in words is "thirty-eight billion, two hundred ninety million, one hundred forty-four thousand, one hundred forty-nine".