38849646292 has 6 divisors (see below), whose sum is σ = 67986881018. Its totient is φ = 19424823144.

The previous prime is 38849646271. The next prime is 38849646299. The reversal of 38849646292 is 29264694883.

38849646292 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 only one way, i.e., 38609892036 + 239754256 = 196494^2 + 15484^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38849646292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38849646299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4856205783 + ... + 4856205790.

Almost surely, 2^38849646292 is an apocalyptic number.

It is an amenable number.

38849646292 is a deficient number, since it is larger than the sum of its proper divisors (29137234726).

38849646292 is a wasteful number, since it uses less digits than its factorization.

38849646292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9712411577 (or 9712411575 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 61.

The spelling of 38849646292 in words is "thirty-eight billion, eight hundred forty-nine million, six hundred forty-six thousand, two hundred ninety-two".