38399224509 has 6 divisors (see below), whose sum is σ = 55465546526. Its totient is φ = 25599483000.

The previous prime is 38399224459. The next prime is 38399224517. The reversal of 38399224509 is 90542299383.

38399224509 is a `hidden beast` number, since 3 + 8 + 399 + 2 + 245 + 0 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34267563225 + 4131661284 = 185115^2 + 64278^2 .

It is not a de Polignac number, because 38399224509 - 2²¹ = 38397127357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38399224559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2133290242 + ... + 2133290259.

Almost surely, 2^38399224509 is an apocalyptic number.

It is an amenable number.

38399224509 is a deficient number, since it is larger than the sum of its proper divisors (17066322017).

38399224509 is a wasteful number, since it uses less digits than its factorization.

38399224509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266580507 (or 4266580504 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 38399224509 in words is "thirty-eight billion, three hundred ninety-nine million, two hundred twenty-four thousand, five hundred nine".