38966832361 has 4 divisors (see below), whose sum is σ = 38967711300. Its totient is φ = 38965953424.

The previous prime is 38966832349. The next prime is 38966832367. The reversal of 38966832361 is 16323866983.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3044832400 + 35921999961 = 55180^2 + 189531^2 .

It is a cyclic number.

It is not a de Polignac number, because 38966832361 - 2¹⁷ = 38966701289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38966832367) 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 3 ways as a sum of consecutive naturals, for example, 369226 + ... + 462883.

It is an arithmetic number, because the mean of its divisors is an integer number (9741927825).

Almost surely, 2^38966832361 is an apocalyptic number.

It is an amenable number.

38966832361 is a deficient number, since it is larger than the sum of its proper divisors (878939).

38966832361 is an equidigital number, since it uses as much as digits as its factorization.

38966832361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878938.

The product of its digits is 6718464, while the sum is 55.

The spelling of 38966832361 in words is "thirty-eight billion, nine hundred sixty-six million, eight hundred thirty-two thousand, three hundred sixty-one".