8210201425457 has 2 divisors, whose sum is σ = 8210201425458. Its totient is φ = 8210201425456.

The previous prime is 8210201425381. The next prime is 8210201425549. The reversal of 8210201425457 is 7545241020128.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5940767642161 + 2269433783296 = 2437369^2 + 1506464^2 .

It is a cyclic number.

It is not a de Polignac number, because 8210201425457 - 2¹² = 8210201421361 is a prime.

It is not a weakly prime, because it can be changed into another prime (8210201425057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4105100712728 + 4105100712729.

It is an arithmetic number, because the mean of its divisors is an integer number (4105100712729).

Almost surely, 2^{8210201425457} is an apocalyptic number.

It is an amenable number.

8210201425457 is a deficient number, since it is larger than the sum of its proper divisors (1).

8210201425457 is an equidigital number, since it uses as much as digits as its factorization.

8210201425457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 179200, while the sum is 41.

The spelling of 8210201425457 in words is "eight trillion, two hundred ten billion, two hundred one million, four hundred twenty-five thousand, four hundred fifty-seven".