38842315149 has 24 divisors (see below), whose sum is σ = 57775604320. Its totient is φ = 23189427360.

The previous prime is 38842315129. The next prime is 38842315219. The reversal of 38842315149 is 94151324883.

It is not a de Polignac number, because 38842315149 - 2⁸ = 38842314893 is a prime.

It is a super-4 number, since 4×38842315149⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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 = 38842315098 and 38842315107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38842315129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 774214 + ... + 822855.

Almost surely, 2^38842315149 is an apocalyptic number.

It is an amenable number.

38842315149 is a deficient number, since it is larger than the sum of its proper divisors (18933289171).

38842315149 is a wasteful number, since it uses less digits than its factorization.

38842315149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597161 (or 1597150 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The spelling of 38842315149 in words is "thirty-eight billion, eight hundred forty-two million, three hundred fifteen thousand, one hundred forty-nine".