504545504999 has 2 divisors, whose sum is σ = 504545505000. Its totient is φ = 504545504998.

The previous prime is 504545504987. The next prime is 504545505029. The reversal of 504545504999 is 999405545405.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504545504999 is a prime.

It is a super-2 number, since 2×504545504999² (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 (504545504959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252272752499 + 252272752500.

It is an arithmetic number, because the mean of its divisors is an integer number (252272752500).

Almost surely, 2^504545504999 is an apocalyptic number.

504545504999 is a deficient number, since it is larger than the sum of its proper divisors (1).

504545504999 is an equidigital number, since it uses as much as digits as its factorization.

504545504999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160000, while the sum is 59.

The spelling of 504545504999 in words is "five hundred four billion, five hundred forty-five million, five hundred four thousand, nine hundred ninety-nine".