38447064113 has 2 divisors, whose sum is σ = 38447064114. Its totient is φ = 38447064112.

The previous prime is 38447064077. The next prime is 38447064121. The reversal of 38447064113 is 31146074483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30936588544 + 7510475569 = 175888^2 + 86663^2 .

It is an emirp because it is prime and its reverse (31146074483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38447064113 - 2⁸ = 38447063857 is a prime.

It is not a weakly prime, because it can be changed into another prime (38447064133) 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, 19223532056 + 19223532057.

It is an arithmetic number, because the mean of its divisors is an integer number (19223532057).

Almost surely, 2^38447064113 is an apocalyptic number.

It is an amenable number.

38447064113 is a deficient number, since it is larger than the sum of its proper divisors (1).

38447064113 is an equidigital number, since it uses as much as digits as its factorization.

38447064113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 38447064113 in words is "thirty-eight billion, four hundred forty-seven million, sixty-four thousand, one hundred thirteen".