504401545163 has 2 divisors, whose sum is σ = 504401545164. Its totient is φ = 504401545162.

The previous prime is 504401545147. The next prime is 504401545169. The reversal of 504401545163 is 361545104405.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 504401545163 - 2⁴ = 504401545147 is a prime.

It is not a weakly prime, because it can be changed into another prime (504401545169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252200772581 + 252200772582.

It is an arithmetic number, because the mean of its divisors is an integer number (252200772582).

Almost surely, 2^504401545163 is an apocalyptic number.

504401545163 is a deficient number, since it is larger than the sum of its proper divisors (1).

504401545163 is an equidigital number, since it uses as much as digits as its factorization.

504401545163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 504401545163 its reverse (361545104405), we get a palindrome (865946649568).

The spelling of 504401545163 in words is "five hundred four billion, four hundred one million, five hundred forty-five thousand, one hundred sixty-three".