463293781 has 2 divisors, whose sum is σ = 463293782. Its totient is φ = 463293780.

The previous prime is 463293773. The next prime is 463293833. The reversal of 463293781 is 187392364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 458602225 + 4691556 = 21415^2 + 2166^2 .

It is a cyclic number.

It is not a de Polignac number, because 463293781 - 2³ = 463293773 is a prime.

It is a super-2 number, since 2×463293781² = 429282255026551922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463293751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231646890 + 231646891.

It is an arithmetic number, because the mean of its divisors is an integer number (231646891).

Almost surely, 2^463293781 is an apocalyptic number.

It is an amenable number.

463293781 is a deficient number, since it is larger than the sum of its proper divisors (1).

463293781 is an equidigital number, since it uses as much as digits as its factorization.

463293781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 463293781 is about 21524.2602892643. The cubic root of 463293781 is about 773.7823576204.

The spelling of 463293781 in words is "four hundred sixty-three million, two hundred ninety-three thousand, seven hundred eighty-one".