463203981817 has 2 divisors, whose sum is σ = 463203981818. Its totient is φ = 463203981816.

The previous prime is 463203981733. The next prime is 463203981827. The reversal of 463203981817 is 718189302364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 462650273856 + 553707961 = 680184^2 + 23531^2 .

It is a cyclic number.

It is not a de Polignac number, because 463203981817 - 2¹¹ = 463203979769 is a prime.

It is a super-2 number, since 2×463203981817² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (463203981827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231601990908 + 231601990909.

It is an arithmetic number, because the mean of its divisors is an integer number (231601990909).

Almost surely, 2^463203981817 is an apocalyptic number.

It is an amenable number.

463203981817 is a deficient number, since it is larger than the sum of its proper divisors (1).

463203981817 is an equidigital number, since it uses as much as digits as its factorization.

463203981817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 463203981817 in words is "four hundred sixty-three billion, two hundred three million, nine hundred eighty-one thousand, eight hundred seventeen".