4456118639 has 4 divisors (see below), whose sum is σ = 5092707024. Its totient is φ = 3819530256.

The previous prime is 4456118629. The next prime is 4456118657. The reversal of 4456118639 is 9368116544.

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 4456118639 - 2⁸ = 4456118383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4456118593 and 4456118602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4456118609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318294182 + ... + 318294195.

It is an arithmetic number, because the mean of its divisors is an integer number (1273176756).

Almost surely, 2^4456118639 is an apocalyptic number.

4456118639 is a deficient number, since it is larger than the sum of its proper divisors (636588385).

4456118639 is an equidigital number, since it uses as much as digits as its factorization.

4456118639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636588384.

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

The square root of 4456118639 is about 66754.1657052202. The cubic root of 4456118639 is about 1645.5796762809.

The spelling of 4456118639 in words is "four billion, four hundred fifty-six million, one hundred eighteen thousand, six hundred thirty-nine".