505276634417 has 2 divisors, whose sum is σ = 505276634418. Its totient is φ = 505276634416.

The previous prime is 505276634413. The next prime is 505276634453. The reversal of 505276634417 is 714436672505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 343772315041 + 161504319376 = 586321^2 + 401876^2 .

It is a cyclic number.

It is not a de Polignac number, because 505276634417 - 2² = 505276634413 is a prime.

It is not a weakly prime, because it can be changed into another prime (505276634413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252638317208 + 252638317209.

It is an arithmetic number, because the mean of its divisors is an integer number (252638317209).

Almost surely, 2^505276634417 is an apocalyptic number.

It is an amenable number.

505276634417 is a deficient number, since it is larger than the sum of its proper divisors (1).

505276634417 is an equidigital number, since it uses as much as digits as its factorization.

505276634417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 505276634417 in words is "five hundred five billion, two hundred seventy-six million, six hundred thirty-four thousand, four hundred seventeen".