505352342377 has 2 divisors, whose sum is σ = 505352342378. Its totient is φ = 505352342376.

The previous prime is 505352342311. The next prime is 505352342413. The reversal of 505352342377 is 773243253505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362631591721 + 142720750656 = 602189^2 + 377784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505352342377 is a prime.

It is not a weakly prime, because it can be changed into another prime (505352340377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252676171188 + 252676171189.

It is an arithmetic number, because the mean of its divisors is an integer number (252676171189).

Almost surely, 2^505352342377 is an apocalyptic number.

It is an amenable number.

505352342377 is a deficient number, since it is larger than the sum of its proper divisors (1).

505352342377 is an equidigital number, since it uses as much as digits as its factorization.

505352342377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646000, while the sum is 46.

The spelling of 505352342377 in words is "five hundred five billion, three hundred fifty-two million, three hundred forty-two thousand, three hundred seventy-seven".