522338103785809 has 2 divisors, whose sum is σ = 522338103785810. Its totient is φ = 522338103785808.

The previous prime is 522338103785749. The next prime is 522338103785831. The reversal of 522338103785809 is 908587301833225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 376525306147600 + 145812797638209 = 19404260^2 + 12075297^2 .

It is a cyclic number.

It is not a de Polignac number, because 522338103785809 - 2¹⁵ = 522338103753041 is a prime.

It is not a weakly prime, because it can be changed into another prime (522338103785209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261169051892904 + 261169051892905.

It is an arithmetic number, because the mean of its divisors is an integer number (261169051892905).

Almost surely, 2^{522338103785809} is an apocalyptic number.

It is an amenable number.

522338103785809 is a deficient number, since it is larger than the sum of its proper divisors (1).

522338103785809 is an equidigital number, since it uses as much as digits as its factorization.

522338103785809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87091200, while the sum is 64.

The spelling of 522338103785809 in words is "five hundred twenty-two trillion, three hundred thirty-eight billion, one hundred three million, seven hundred eighty-five thousand, eight hundred nine".