8450509342771 has 2 divisors, whose sum is σ = 8450509342772. Its totient is φ = 8450509342770.

The previous prime is 8450509342727. The next prime is 8450509342819. The reversal of 8450509342771 is 1772439050548.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8450509342771 is a prime.

It is a super-2 number, since 2×8450509342771² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8450509342721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4225254671385 + 4225254671386.

It is an arithmetic number, because the mean of its divisors is an integer number (4225254671386).

Almost surely, 2^{8450509342771} is an apocalyptic number.

8450509342771 is a deficient number, since it is larger than the sum of its proper divisors (1).

8450509342771 is an equidigital number, since it uses as much as digits as its factorization.

8450509342771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 8450509342771 in words is "eight trillion, four hundred fifty billion, five hundred nine million, three hundred forty-two thousand, seven hundred seventy-one".