38810182009 has 3 divisors (see below), whose sum is σ = 38810379013. Its totient is φ = 38809985006.

The previous prime is 38810181997. The next prime is 38810182051. The reversal of 38810182009 is 90028101883.

The square root of 38810182009 is 197003.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 38810182009 - 2¹⁹ = 38809657721 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38810182909) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 98502 + ... + 295504.

Almost surely, 2^38810182009 is an apocalyptic number.

38810182009 is the 197003-rd square number.

38810182009 is the 98502-nd centered octagonal number.

It is an amenable number.

38810182009 is a deficient number, since it is larger than the sum of its proper divisors (197004).

38810182009 is an frugal number, since it uses more digits than its factorization.

38810182009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394006 (or 197003 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The spelling of 38810182009 in words is "thirty-eight billion, eight hundred ten million, one hundred eighty-two thousand, nine".