4643229919 has 4 divisors (see below), whose sum is σ = 4665235960. Its totient is φ = 4621223880.

The previous prime is 4643229889. The next prime is 4643229931. The reversal of 4643229919 is 9199223464.

It is a happy number.

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 4643229919 - 2⁵ = 4643229887 is a prime.

It is a super-2 number, since 2×4643229919² = 43119168161393493122, 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 (4643223919) 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, 11002704 + ... + 11003125.

It is an arithmetic number, because the mean of its divisors is an integer number (1166308990).

Almost surely, 2^4643229919 is an apocalyptic number.

4643229919 is a deficient number, since it is larger than the sum of its proper divisors (22006041).

4643229919 is a wasteful number, since it uses less digits than its factorization.

4643229919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22006040.

The product of its digits is 839808, while the sum is 49.

The square root of 4643229919 is about 68141.2497610662. The cubic root of 4643229919 is about 1668.2971058718.

The spelling of 4643229919 in words is "four billion, six hundred forty-three million, two hundred twenty-nine thousand, nine hundred nineteen".