38753361509 has 2 divisors, whose sum is σ = 38753361510. Its totient is φ = 38753361508.

The previous prime is 38753361481. The next prime is 38753361511. The reversal of 38753361509 is 90516335783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37288768609 + 1464592900 = 193103^2 + 38270^2 .

It is an emirp because it is prime and its reverse (90516335783) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38753361509 is a prime.

Together with 38753361511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38753361589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19376680754 + 19376680755.

It is an arithmetic number, because the mean of its divisors is an integer number (19376680755).

Almost surely, 2^38753361509 is an apocalyptic number.

It is an amenable number.

38753361509 is a deficient number, since it is larger than the sum of its proper divisors (1).

38753361509 is an equidigital number, since it uses as much as digits as its factorization.

38753361509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 38753361509 in words is "thirty-eight billion, seven hundred fifty-three million, three hundred sixty-one thousand, five hundred nine".