42716775495209 has 2 divisors, whose sum is σ = 42716775495210. Its totient is φ = 42716775495208.

The previous prime is 42716775495179. The next prime is 42716775495221. The reversal of 42716775495209 is 90259457761724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36138432825625 + 6578342669584 = 6011525^2 + 2564828^2 .

It is a cyclic number.

It is not a de Polignac number, because 42716775495209 - 2¹² = 42716775491113 is a prime.

It is not a weakly prime, because it can be changed into another prime (42716775495269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21358387747604 + 21358387747605.

It is an arithmetic number, because the mean of its divisors is an integer number (21358387747605).

Almost surely, 2^{42716775495209} is an apocalyptic number.

It is an amenable number.

42716775495209 is a deficient number, since it is larger than the sum of its proper divisors (1).

42716775495209 is an equidigital number, since it uses as much as digits as its factorization.

42716775495209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 266716800, while the sum is 68.

The spelling of 42716775495209 in words is "forty-two trillion, seven hundred sixteen billion, seven hundred seventy-five million, four hundred ninety-five thousand, two hundred nine".