505577730233 has 2 divisors, whose sum is σ = 505577730234. Its totient is φ = 505577730232.

The previous prime is 505577730227. The next prime is 505577730241. The reversal of 505577730233 is 332037775505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469296242704 + 36281487529 = 685052^2 + 190477^2 .

It is a cyclic number.

It is not a de Polignac number, because 505577730233 - 2¹⁸ = 505577468089 is a prime.

It is not a weakly prime, because it can be changed into another prime (505577790233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252788865116 + 252788865117.

It is an arithmetic number, because the mean of its divisors is an integer number (252788865117).

Almost surely, 2^505577730233 is an apocalyptic number.

It is an amenable number.

505577730233 is a deficient number, since it is larger than the sum of its proper divisors (1).

505577730233 is an equidigital number, since it uses as much as digits as its factorization.

505577730233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2315250, while the sum is 47.

The spelling of 505577730233 in words is "five hundred five billion, five hundred seventy-seven million, seven hundred thirty thousand, two hundred thirty-three".