38956775093 has 2 divisors, whose sum is σ = 38956775094. Its totient is φ = 38956775092.

The previous prime is 38956775063. The next prime is 38956775141. The reversal of 38956775093 is 39057765983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28974167524 + 9982607569 = 170218^2 + 99913^2 .

It is a cyclic number.

It is not a de Polignac number, because 38956775093 - 2¹² = 38956770997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38956775003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19478387546 + 19478387547.

It is an arithmetic number, because the mean of its divisors is an integer number (19478387547).

Almost surely, 2^38956775093 is an apocalyptic number.

It is an amenable number.

38956775093 is a deficient number, since it is larger than the sum of its proper divisors (1).

38956775093 is an equidigital number, since it uses as much as digits as its factorization.

38956775093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42865200, while the sum is 62.

The spelling of 38956775093 in words is "thirty-eight billion, nine hundred fifty-six million, seven hundred seventy-five thousand, ninety-three".