8638468403 has 4 divisors (see below), whose sum is σ = 8871940560. Its totient is φ = 8404996248.

The previous prime is 8638468393. The next prime is 8638468453. The reversal of 8638468403 is 3048648368.

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 8638468403 - 2⁸ = 8638468147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8638468453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116736023 + ... + 116736096.

It is an arithmetic number, because the mean of its divisors is an integer number (2217985140).

Almost surely, 2^8638468403 is an apocalyptic number.

8638468403 is a deficient number, since it is larger than the sum of its proper divisors (233472157).

8638468403 is a wasteful number, since it uses less digits than its factorization.

8638468403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233472156.

The product of its (nonzero) digits is 2654208, while the sum is 50.

The square root of 8638468403 is about 92943.3612637288. The cubic root of 8638468403 is about 2051.8498791231.

The spelling of 8638468403 in words is "eight billion, six hundred thirty-eight million, four hundred sixty-eight thousand, four hundred three".