4459049687 has 4 divisors (see below), whose sum is σ = 4460515200. Its totient is φ = 4457584176.

The previous prime is 4459049681. The next prime is 4459049701. The reversal of 4459049687 is 7869409544.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4459049687 is a prime.

It is a super-2 number, since 2×4459049687² = 39766248222269595938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4459049681) 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, 728183 + ... + 734280.

It is an arithmetic number, because the mean of its divisors is an integer number (1115128800).

Almost surely, 2^4459049687 is an apocalyptic number.

4459049687 is a deficient number, since it is larger than the sum of its proper divisors (1465513).

4459049687 is a wasteful number, since it uses less digits than its factorization.

4459049687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465512.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The square root of 4459049687 is about 66776.1161419261. The cubic root of 4459049687 is about 1645.9403949751.

The spelling of 4459049687 in words is "four billion, four hundred fifty-nine million, forty-nine thousand, six hundred eighty-seven".