504545505009 has 144 divisors (see below), whose sum is σ = 857696568768. Its totient is φ = 262919913984.

The previous prime is 504545504999. The next prime is 504545505029. The reversal of 504545505009 is 900505545405.

It is not a de Polignac number, because 504545505009 - 2¹² = 504545500913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (504545505029) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1080396994 + ... + 1080397460.

It is an arithmetic number, because the mean of its divisors is an integer number (5956226172).

Almost surely, 2^504545505009 is an apocalyptic number.

It is an amenable number.

504545505009 is a deficient number, since it is larger than the sum of its proper divisors (353151063759).

504545505009 is a wasteful number, since it uses less digits than its factorization.

504545505009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 504545505009 in words is "five hundred four billion, five hundred forty-five million, five hundred five thousand, nine".