504434225513149 has 2 divisors, whose sum is σ = 504434225513150. Its totient is φ = 504434225513148.

The previous prime is 504434225513147. The next prime is 504434225513221. The reversal of 504434225513149 is 941315522434405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 494195441477049 + 10238784036100 = 22230507^2 + 3199810^2 .

It is a cyclic number.

It is not a de Polignac number, because 504434225513149 - 2¹ = 504434225513147 is a prime.

Together with 504434225513147, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 504434225513096 and 504434225513105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504434225513147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252217112756574 + 252217112756575.

It is an arithmetic number, because the mean of its divisors is an integer number (252217112756575).

Almost surely, 2^{504434225513149} is an apocalyptic number.

It is an amenable number.

504434225513149 is a deficient number, since it is larger than the sum of its proper divisors (1).

504434225513149 is an equidigital number, since it uses as much as digits as its factorization.

504434225513149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 504434225513149 in words is "five hundred four trillion, four hundred thirty-four billion, two hundred twenty-five million, five hundred thirteen thousand, one hundred forty-nine".