38186836241 has 2 divisors, whose sum is σ = 38186836242. Its totient is φ = 38186836240.

The previous prime is 38186836213. The next prime is 38186836301. The reversal of 38186836241 is 14263868183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23955300625 + 14231535616 = 154775^2 + 119296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38186836241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38186836241.

It is not a weakly prime, because it can be changed into another prime (38186836141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19093418120 + 19093418121.

It is an arithmetic number, because the mean of its divisors is an integer number (19093418121).

Almost surely, 2^38186836241 is an apocalyptic number.

It is an amenable number.

38186836241 is a deficient number, since it is larger than the sum of its proper divisors (1).

38186836241 is an equidigital number, since it uses as much as digits as its factorization.

38186836241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 50.

The spelling of 38186836241 in words is "thirty-eight billion, one hundred eighty-six million, eight hundred thirty-six thousand, two hundred forty-one".