504667728671 has 2 divisors, whose sum is σ = 504667728672. Its totient is φ = 504667728670.

The previous prime is 504667728667. The next prime is 504667728751. The reversal of 504667728671 is 176827766405.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 504667728671 - 2² = 504667728667 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 504667728671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504667728641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252333864335 + 252333864336.

It is an arithmetic number, because the mean of its divisors is an integer number (252333864336).

Almost surely, 2^504667728671 is an apocalyptic number.

504667728671 is a deficient number, since it is larger than the sum of its proper divisors (1).

504667728671 is an equidigital number, since it uses as much as digits as its factorization.

504667728671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23708160, while the sum is 59.

The spelling of 504667728671 in words is "five hundred four billion, six hundred sixty-seven million, seven hundred twenty-eight thousand, six hundred seventy-one".