8541770113913 has 2 divisors, whose sum is σ = 8541770113914. Its totient is φ = 8541770113912.

The previous prime is 8541770113909. The next prime is 8541770114021. The reversal of 8541770113913 is 3193110771458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7884482116624 + 657287997289 = 2807932^2 + 810733^2 .

It is a cyclic number.

It is not a de Polignac number, because 8541770113913 - 2² = 8541770113909 is a prime.

It is not a weakly prime, because it can be changed into another prime (8541770113013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4270885056956 + 4270885056957.

It is an arithmetic number, because the mean of its divisors is an integer number (4270885056957).

Almost surely, 2^{8541770113913} is an apocalyptic number.

It is an amenable number.

8541770113913 is a deficient number, since it is larger than the sum of its proper divisors (1).

8541770113913 is an equidigital number, since it uses as much as digits as its factorization.

8541770113913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 50.

The spelling of 8541770113913 in words is "eight trillion, five hundred forty-one billion, seven hundred seventy million, one hundred thirteen thousand, nine hundred thirteen".