463138859 has 4 divisors (see below), whose sum is σ = 463942104. Its totient is φ = 462335616.

The previous prime is 463138847. The next prime is 463138867. The reversal of 463138859 is 958831364.

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

It is a cyclic number.

It is not a de Polignac number, because 463138859 - 2¹⁶ = 463073323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463135859) 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, 400757 + ... + 401910.

It is an arithmetic number, because the mean of its divisors is an integer number (115985526).

Almost surely, 2^463138859 is an apocalyptic number.

463138859 is a deficient number, since it is larger than the sum of its proper divisors (803245).

463138859 is an equidigital number, since it uses as much as digits as its factorization.

463138859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803244.

The product of its digits is 622080, while the sum is 47.

The square root of 463138859 is about 21520.6612119609. The cubic root of 463138859 is about 773.6960989801.

The spelling of 463138859 in words is "four hundred sixty-three million, one hundred thirty-eight thousand, eight hundred fifty-nine".