4688642319 has 8 divisors (see below), whose sum is σ = 6252414720. Its totient is φ = 3125315736.

The previous prime is 4688642317. The next prime is 4688642341. The reversal of 4688642319 is 9132468864.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4688642319 - 2¹ = 4688642317 is a prime.

It is a super-2 number, since 2×4688642319² = 43966733591035395522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4688642317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86089 + ... + 129570.

It is an arithmetic number, because the mean of its divisors is an integer number (781551840).

Almost surely, 2^4688642319 is an apocalyptic number.

4688642319 is a deficient number, since it is larger than the sum of its proper divisors (1563772401).

4688642319 is a wasteful number, since it uses less digits than its factorization.

4688642319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222909.

The product of its digits is 1990656, while the sum is 51.

The square root of 4688642319 is about 68473.6614984185. The cubic root of 4688642319 is about 1673.7183118931.

The spelling of 4688642319 in words is "four billion, six hundred eighty-eight million, six hundred forty-two thousand, three hundred nineteen".