38300838209 has 2 divisors, whose sum is σ = 38300838210. Its totient is φ = 38300838208.

The previous prime is 38300838203. The next prime is 38300838293. The reversal of 38300838209 is 90283800383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35987228209 + 2313610000 = 189703^2 + 48100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38300838209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38300838209.

It is not a weakly prime, because it can be changed into another prime (38300838203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19150419104 + 19150419105.

It is an arithmetic number, because the mean of its divisors is an integer number (19150419105).

Almost surely, 2^38300838209 is an apocalyptic number.

It is an amenable number.

38300838209 is a deficient number, since it is larger than the sum of its proper divisors (1).

38300838209 is an equidigital number, since it uses as much as digits as its factorization.

38300838209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 38300838209 in words is "thirty-eight billion, three hundred million, eight hundred thirty-eight thousand, two hundred nine".