463353993 has 16 divisors (see below), whose sum is σ = 708595200. Its totient is φ = 298937520.

The previous prime is 463353983. The next prime is 463354013. The reversal of 463353993 is 399353364.

463353993 is a `hidden beast` number, since 4 + 633 + 5 + 3 + 9 + 9 + 3 = 666.

It is not a de Polignac number, because 463353993 - 2²⁴ = 446576777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (463353953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275958 + ... + 277631.

It is an arithmetic number, because the mean of its divisors is an integer number (44287200).

Almost surely, 2^463353993 is an apocalyptic number.

It is an amenable number.

463353993 is a deficient number, since it is larger than the sum of its proper divisors (245241207).

463353993 is a wasteful number, since it uses less digits than its factorization.

463353993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553629 (or 553623 counting only the distinct ones).

The product of its digits is 787320, while the sum is 45.

The square root of 463353993 is about 21525.6589446177. The cubic root of 463353993 is about 773.8158777229.

The spelling of 463353993 in words is "four hundred sixty-three million, three hundred fifty-three thousand, nine hundred ninety-three".