504640404345811 has 2 divisors, whose sum is σ = 504640404345812. Its totient is φ = 504640404345810.

The previous prime is 504640404345799. The next prime is 504640404345829. The reversal of 504640404345811 is 118543404046405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 504640404345811 - 2¹⁹ = 504640403821523 is a prime.

It is a super-2 number, since 2×504640404345811² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (504640404345841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252320202172905 + 252320202172906.

It is an arithmetic number, because the mean of its divisors is an integer number (252320202172906).

Almost surely, 2^{504640404345811} is an apocalyptic number.

504640404345811 is a deficient number, since it is larger than the sum of its proper divisors (1).

504640404345811 is an equidigital number, since it uses as much as digits as its factorization.

504640404345811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3686400, while the sum is 49.

The spelling of 504640404345811 in words is "five hundred four trillion, six hundred forty billion, four hundred four million, three hundred forty-five thousand, eight hundred eleven".