503042262464773 has 2 divisors, whose sum is σ = 503042262464774. Its totient is φ = 503042262464772.

The previous prime is 503042262464767. The next prime is 503042262464851. The reversal of 503042262464773 is 377464262240305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 461150585489889 + 41891676974884 = 21474417^2 + 6472378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503042262464773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503042262465773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251521131232386 + 251521131232387.

It is an arithmetic number, because the mean of its divisors is an integer number (251521131232387).

Almost surely, 2^{503042262464773} is an apocalyptic number.

It is an amenable number.

503042262464773 is a deficient number, since it is larger than the sum of its proper divisors (1).

503042262464773 is an equidigital number, since it uses as much as digits as its factorization.

503042262464773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40642560, while the sum is 55.

The spelling of 503042262464773 in words is "five hundred three trillion, forty-two billion, two hundred sixty-two million, four hundred sixty-four thousand, seven hundred seventy-three".