38717273016761 has 2 divisors, whose sum is σ = 38717273016762. Its totient is φ = 38717273016760.

The previous prime is 38717273016689. The next prime is 38717273016803. The reversal of 38717273016761 is 16761037271783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35429506248361 + 3287766768400 = 5952269^2 + 1813220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38717273016761 is a prime.

It is a super-2 number, since 2×38717273016761² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38717273016761.

It is not a weakly prime, because it can be changed into another prime (38717273010761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19358636508380 + 19358636508381.

It is an arithmetic number, because the mean of its divisors is an integer number (19358636508381).

Almost surely, 2^{38717273016761} is an apocalyptic number.

It is an amenable number.

38717273016761 is a deficient number, since it is larger than the sum of its proper divisors (1).

38717273016761 is an equidigital number, since it uses as much as digits as its factorization.

38717273016761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12446784, while the sum is 59.

The spelling of 38717273016761 in words is "thirty-eight trillion, seven hundred seventeen billion, two hundred seventy-three million, sixteen thousand, seven hundred sixty-one".