505363042997 has 2 divisors, whose sum is σ = 505363042998. Its totient is φ = 505363042996.

The previous prime is 505363042973. The next prime is 505363042999. The reversal of 505363042997 is 799240363505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 500302997041 + 5060045956 = 707321^2 + 71134^2 .

It is a cyclic number.

It is not a de Polignac number, because 505363042997 - 2²² = 505358848693 is a prime.

Together with 505363042999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505363042999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252681521498 + 252681521499.

It is an arithmetic number, because the mean of its divisors is an integer number (252681521499).

Almost surely, 2^505363042997 is an apocalyptic number.

It is an amenable number.

505363042997 is a deficient number, since it is larger than the sum of its proper divisors (1).

505363042997 is an equidigital number, since it uses as much as digits as its factorization.

505363042997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6123600, while the sum is 53.

The spelling of 505363042997 in words is "five hundred five billion, three hundred sixty-three million, forty-two thousand, nine hundred ninety-seven".