38849592609 has 9 divisors (see below), whose sum is σ = 56116932339. Its totient is φ = 25899334200.

The previous prime is 38849592569. The next prime is 38849592647. The reversal of 38849592609 is 90629594883.

The square root of 38849592609 is 197103.

It is a perfect power (a square), and thus also a powerful number.

38849592609 is a `hidden beast` number, since 3 + 88 + 495 + 9 + 2 + 60 + 9 = 666.

38849592609 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., 37267144209 + 1582448400 = 193047^2 + 39780^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 38849592609 - 2¹⁷ = 38849461537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38849593609) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 558459 + ... + 624159.

Almost surely, 2^38849592609 is an apocalyptic number.

38849592609 is the 197103-rd square number.

38849592609 is the 98552-nd centered octagonal number.

It is an amenable number.

38849592609 is a deficient number, since it is larger than the sum of its proper divisors (17267339730).

38849592609 is an frugal number, since it uses more digits than its factorization.

38849592609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131408 (or 65704 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 38849592609 in words is "thirty-eight billion, eight hundred forty-nine million, five hundred ninety-two thousand, six hundred nine".