523820104849 has 2 divisors, whose sum is σ = 523820104850. Its totient is φ = 523820104848.

The previous prime is 523820104789. The next prime is 523820104853. The reversal of 523820104849 is 948401028325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291013854849 + 232806250000 = 539457^2 + 482500^2 .

It is a cyclic number.

It is not a de Polignac number, because 523820104849 - 2¹⁵ = 523820072081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 523820104799 and 523820104808.

It is not a weakly prime, because it can be changed into another prime (523820104649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261910052424 + 261910052425.

It is an arithmetic number, because the mean of its divisors is an integer number (261910052425).

Almost surely, 2^523820104849 is an apocalyptic number.

It is an amenable number.

523820104849 is a deficient number, since it is larger than the sum of its proper divisors (1).

523820104849 is an equidigital number, since it uses as much as digits as its factorization.

523820104849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 523820104849 in words is "five hundred twenty-three billion, eight hundred twenty million, one hundred four thousand, eight hundred forty-nine".