563736503623849 has 2 divisors, whose sum is σ = 563736503623850. Its totient is φ = 563736503623848.

The previous prime is 563736503623823. The next prime is 563736503623861. The reversal of 563736503623849 is 948326305637365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338842241198224 + 224894262425625 = 18407668^2 + 14996475^2 .

It is a cyclic number.

It is not a de Polignac number, because 563736503623849 - 2⁴¹ = 561537480368297 is a prime.

It is not a weakly prime, because it can be changed into another prime (563736503623889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281868251811924 + 281868251811925.

It is an arithmetic number, because the mean of its divisors is an integer number (281868251811925).

Almost surely, 2^{563736503623849} is an apocalyptic number.

It is an amenable number.

563736503623849 is a deficient number, since it is larger than the sum of its proper divisors (1).

563736503623849 is an equidigital number, since it uses as much as digits as its factorization.

563736503623849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1763596800, while the sum is 70.

The spelling of 563736503623849 in words is "five hundred sixty-three trillion, seven hundred thirty-six billion, five hundred three million, six hundred twenty-three thousand, eight hundred forty-nine".