495631820773 has 2 divisors, whose sum is σ = 495631820774. Its totient is φ = 495631820772.

The previous prime is 495631820743. The next prime is 495631820857. The reversal of 495631820773 is 377028136594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252102401604 + 243529419169 = 502098^2 + 493487^2 .

It is a cyclic number.

It is not a de Polignac number, because 495631820773 - 2⁵ = 495631820741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495631820743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247815910386 + 247815910387.

It is an arithmetic number, because the mean of its divisors is an integer number (247815910387).

It is a 1-persistent number, because it is pandigital, but 2⋅495631820773 = 991263641546 is not.

Almost surely, 2^495631820773 is an apocalyptic number.

It is an amenable number.

495631820773 is a deficient number, since it is larger than the sum of its proper divisors (1).

495631820773 is an equidigital number, since it uses as much as digits as its factorization.

495631820773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 495631820773 in words is "four hundred ninety-five billion, six hundred thirty-one million, eight hundred twenty thousand, seven hundred seventy-three".