38814668758769 has 2 divisors, whose sum is σ = 38814668758770. Its totient is φ = 38814668758768.

The previous prime is 38814668758687. The next prime is 38814668758781. The reversal of 38814668758769 is 96785786641883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30920884029025 + 7893784729744 = 5560655^2 + 2809588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38814668758769 is a prime.

It is a super-2 number, since 2×38814668758769² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38814668758799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19407334379384 + 19407334379385.

It is an arithmetic number, because the mean of its divisors is an integer number (19407334379385).

Almost surely, 2^{38814668758769} is an apocalyptic number.

It is an amenable number.

38814668758769 is a deficient number, since it is larger than the sum of its proper divisors (1).

38814668758769 is an equidigital number, since it uses as much as digits as its factorization.

38814668758769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23410114560, while the sum is 86.

The spelling of 38814668758769 in words is "thirty-eight trillion, eight hundred fourteen billion, six hundred sixty-eight million, seven hundred fifty-eight thousand, seven hundred sixty-nine".