8563540019057 has 2 divisors, whose sum is σ = 8563540019058. Its totient is φ = 8563540019056.

The previous prime is 8563540019003. The next prime is 8563540019071. The reversal of 8563540019057 is 7509100453658.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8563442384896 + 97634161 = 2926336^2 + 9881^2 .

It is a cyclic number.

It is not a de Polignac number, because 8563540019057 - 2⁸ = 8563540018801 is a prime.

It is not a weakly prime, because it can be changed into another prime (8563540010057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4281770009528 + 4281770009529.

It is an arithmetic number, because the mean of its divisors is an integer number (4281770009529).

Almost surely, 2^{8563540019057} is an apocalyptic number.

It is an amenable number.

8563540019057 is a deficient number, since it is larger than the sum of its proper divisors (1).

8563540019057 is an equidigital number, since it uses as much as digits as its factorization.

8563540019057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 8563540019057 in words is "eight trillion, five hundred sixty-three billion, five hundred forty million, nineteen thousand, fifty-seven".