503473457863 has 2 divisors, whose sum is σ = 503473457864. Its totient is φ = 503473457862.

The previous prime is 503473457849. The next prime is 503473457899. The reversal of 503473457863 is 368754374305.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 503473457863 - 2⁵ = 503473457831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503473457813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251736728931 + 251736728932.

It is an arithmetic number, because the mean of its divisors is an integer number (251736728932).

Almost surely, 2^503473457863 is an apocalyptic number.

503473457863 is a deficient number, since it is larger than the sum of its proper divisors (1).

503473457863 is an equidigital number, since it uses as much as digits as its factorization.

503473457863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25401600, while the sum is 55.

The spelling of 503473457863 in words is "five hundred three billion, four hundred seventy-three million, four hundred fifty-seven thousand, eight hundred sixty-three".