463963889 has 4 divisors (see below), whose sum is σ = 484136256. Its totient is φ = 443791524.

The previous prime is 463963873. The next prime is 463963897. The reversal of 463963889 is 988369364.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 463963889 - 2⁴ = 463963873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463963849) 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 in 3 ways as a sum of consecutive naturals, for example, 10086149 + ... + 10086194.

It is an arithmetic number, because the mean of its divisors is an integer number (121034064).

Almost surely, 2^463963889 is an apocalyptic number.

It is an amenable number.

463963889 is a deficient number, since it is larger than the sum of its proper divisors (20172367).

463963889 is a wasteful number, since it uses less digits than its factorization.

463963889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20172366.

The product of its digits is 6718464, while the sum is 56.

The square root of 463963889 is about 21539.8210066843. The cubic root of 463963889 is about 774.1552440950.

The spelling of 463963889 in words is "four hundred sixty-three million, nine hundred sixty-three thousand, eight hundred eighty-nine".