38239322949 has 6 divisors (see below), whose sum is σ = 55234577606. Its totient is φ = 25492881960.

The previous prime is 38239322939. The next prime is 38239322987. The reversal of 38239322949 is 94922393283.

It is a happy number.

38239322949 is a `hidden beast` number, since 382 + 39 + 3 + 229 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36766145025 + 1473177924 = 191745^2 + 38382^2 .

It is not a de Polignac number, because 38239322949 - 2¹² = 38239318853 is a prime.

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 = 38239322895 and 38239322904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38239322939) 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, 2124406822 + ... + 2124406839.

Almost surely, 2^38239322949 is an apocalyptic number.

It is an amenable number.

38239322949 is a deficient number, since it is larger than the sum of its proper divisors (16995254657).

38239322949 is a wasteful number, since it uses less digits than its factorization.

38239322949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248813667 (or 4248813664 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 54.

The spelling of 38239322949 in words is "thirty-eight billion, two hundred thirty-nine million, three hundred twenty-two thousand, nine hundred forty-nine".