38683555205 has 4 divisors (see below), whose sum is σ = 46420266252. Its totient is φ = 30946844160.

The previous prime is 38683555201. The next prime is 38683555231. The reversal of 38683555205 is 50255538683.

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 23657208481 + 15026346724 = 153809^2 + 122582^2 .

It is not a de Polignac number, because 38683555205 - 2² = 38683555201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38683555201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3868355516 + ... + 3868355525.

It is an arithmetic number, because the mean of its divisors is an integer number (11605066563).

Almost surely, 2^38683555205 is an apocalyptic number.

It is an amenable number.

38683555205 is a deficient number, since it is larger than the sum of its proper divisors (7736711047).

38683555205 is an equidigital number, since it uses as much as digits as its factorization.

38683555205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7736711046.

The product of its (nonzero) digits is 4320000, while the sum is 50.

The spelling of 38683555205 in words is "thirty-eight billion, six hundred eighty-three million, five hundred fifty-five thousand, two hundred five".