38170609129 has 9 divisors (see below), whose sum is σ = 39538092997. Its totient is φ = 36848910784.

The previous prime is 38170609117. The next prime is 38170609157. The reversal of 38170609129 is 92190607183.

It is a happy number.

The square root of 38170609129 is 195373.

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

It can be written as a sum of positive squares in 4 ways, for example, as 47265625 + 38123343504 = 6875^2 + 195252^2 .

It is not a de Polignac number, because 38170609129 - 2²⁹ = 37633738217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38170609429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5662449 + ... + 5669185.

Almost surely, 2^38170609129 is an apocalyptic number.

38170609129 is the 195373-rd square number.

38170609129 is the 97687-th centered octagonal number.

It is an amenable number.

38170609129 is a deficient number, since it is larger than the sum of its proper divisors (1367483868).

38170609129 is an frugal number, since it uses more digits than its factorization.

38170609129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13532 (or 6766 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 38170609129 in words is "thirty-eight billion, one hundred seventy million, six hundred nine thousand, one hundred twenty-nine".