463534993 has 4 divisors (see below), whose sum is σ = 464144868. Its totient is φ = 462925120.

The previous prime is 463534987. The next prime is 463535029. The reversal of 463534993 is 399435364.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91546624 + 371988369 = 9568^2 + 19287^2 .

It is a cyclic number.

It is not a de Polignac number, because 463534993 - 2⁵ = 463534961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463534693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303796 + ... + 305317.

It is an arithmetic number, because the mean of its divisors is an integer number (116036217).

Almost surely, 2^463534993 is an apocalyptic number.

It is an amenable number.

463534993 is a deficient number, since it is larger than the sum of its proper divisors (609875).

463534993 is an equidigital number, since it uses as much as digits as its factorization.

463534993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609874.

The product of its digits is 1049760, while the sum is 46.

The square root of 463534993 is about 21529.8628188848. The cubic root of 463534993 is about 773.9166231879.

The spelling of 463534993 in words is "four hundred sixty-three million, five hundred thirty-four thousand, nine hundred ninety-three".