39766806139241 has 2 divisors, whose sum is σ = 39766806139242. Its totient is φ = 39766806139240.

The previous prime is 39766806139133. The next prime is 39766806139259. The reversal of 39766806139241 is 14293160866793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39213896410000 + 552909729241 = 6262100^2 + 743579^2 .

It is a cyclic number.

It is not a de Polignac number, because 39766806139241 - 2²⁶ = 39766739030377 is a prime.

It is not a weakly prime, because it can be changed into another prime (39766806139441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19883403069620 + 19883403069621.

It is an arithmetic number, because the mean of its divisors is an integer number (19883403069621).

Almost surely, 2^{39766806139241} is an apocalyptic number.

It is an amenable number.

39766806139241 is a deficient number, since it is larger than the sum of its proper divisors (1).

39766806139241 is an equidigital number, since it uses as much as digits as its factorization.

39766806139241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70543872, while the sum is 65.

The spelling of 39766806139241 in words is "thirty-nine trillion, seven hundred sixty-six billion, eight hundred six million, one hundred thirty-nine thousand, two hundred forty-one".