501106568869 has 2 divisors, whose sum is σ = 501106568870. Its totient is φ = 501106568868.

The previous prime is 501106568843. The next prime is 501106569001. The reversal of 501106568869 is 968865601105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304525178244 + 196581390625 = 551838^2 + 443375^2 .

It is a cyclic number.

It is not a de Polignac number, because 501106568869 - 2⁷ = 501106568741 is a prime.

It is a super-2 number, since 2×501106568869² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501106569869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250553284434 + 250553284435.

It is an arithmetic number, because the mean of its divisors is an integer number (250553284435).

Almost surely, 2^501106568869 is an apocalyptic number.

It is an amenable number.

501106568869 is a deficient number, since it is larger than the sum of its proper divisors (1).

501106568869 is an equidigital number, since it uses as much as digits as its factorization.

501106568869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 501106568869 in words is "five hundred one billion, one hundred six million, five hundred sixty-eight thousand, eight hundred sixty-nine".