38766206243 has 2 divisors, whose sum is σ = 38766206244. Its totient is φ = 38766206242.

The previous prime is 38766206183. The next prime is 38766206299. The reversal of 38766206243 is 34260266783.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38766206243 - 2⁸ = 38766205987 is a prime.

It is not a weakly prime, because it can be changed into another prime (38766200243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19383103121 + 19383103122.

It is an arithmetic number, because the mean of its divisors is an integer number (19383103122).

Almost surely, 2^38766206243 is an apocalyptic number.

38766206243 is a deficient number, since it is larger than the sum of its proper divisors (1).

38766206243 is an equidigital number, since it uses as much as digits as its factorization.

38766206243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 38766206243 in words is "thirty-eight billion, seven hundred sixty-six million, two hundred six thousand, two hundred forty-three".