8271450697 has 2 divisors, whose sum is σ = 8271450698. Its totient is φ = 8271450696.

The previous prime is 8271450637. The next prime is 8271450701. The reversal of 8271450697 is 7960541728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6925734841 + 1345715856 = 83221^2 + 36684^2 .

It is a cyclic number.

It is not a de Polignac number, because 8271450697 - 2¹¹ = 8271448649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8271450697.

It is not a weakly prime, because it can be changed into another prime (8271450637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4135725348 + 4135725349.

It is an arithmetic number, because the mean of its divisors is an integer number (4135725349).

Almost surely, 2^8271450697 is an apocalyptic number.

It is an amenable number.

8271450697 is a deficient number, since it is larger than the sum of its proper divisors (1).

8271450697 is an equidigital number, since it uses as much as digits as its factorization.

8271450697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 8271450697 is about 90947.5161672929. The cubic root of 8271450697 is about 2022.3697556038.

The spelling of 8271450697 in words is "eight billion, two hundred seventy-one million, four hundred fifty thousand, six hundred ninety-seven".