38565803750993 has 2 divisors, whose sum is σ = 38565803750994. Its totient is φ = 38565803750992.

The previous prime is 38565803750983. The next prime is 38565803751047. The reversal of 38565803750993 is 39905730856583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19671203059729 + 18894600691264 = 4435223^2 + 4346792^2 .

It is a cyclic number.

It is not a de Polignac number, because 38565803750993 - 2¹⁰ = 38565803749969 is a prime.

It is not a weakly prime, because it can be changed into another prime (38565803750933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19282901875496 + 19282901875497.

It is an arithmetic number, because the mean of its divisors is an integer number (19282901875497).

Almost surely, 2^{38565803750993} is an apocalyptic number.

It is an amenable number.

38565803750993 is a deficient number, since it is larger than the sum of its proper divisors (1).

38565803750993 is an equidigital number, since it uses as much as digits as its factorization.

38565803750993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832000, while the sum is 71.

The spelling of 38565803750993 in words is "thirty-eight trillion, five hundred sixty-five billion, eight hundred three million, seven hundred fifty thousand, nine hundred ninety-three".