504207645401 has 4 divisors (see below), whose sum is σ = 504231312912. Its totient is φ = 504183977892.

The previous prime is 504207645377. The next prime is 504207645413. The reversal of 504207645401 is 104546702405.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504207645401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504207605401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11801771 + ... + 11844416.

It is an arithmetic number, because the mean of its divisors is an integer number (126057828228).

Almost surely, 2^504207645401 is an apocalyptic number.

It is an amenable number.

504207645401 is a deficient number, since it is larger than the sum of its proper divisors (23667511).

504207645401 is a wasteful number, since it uses less digits than its factorization.

504207645401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23667510.

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 504207645401 in words is "five hundred four billion, two hundred seven million, six hundred forty-five thousand, four hundred one".