4816639969 has 4 divisors (see below), whose sum is σ = 4928654896. Its totient is φ = 4704625044.

The previous prime is 4816639951. The next prime is 4816639987. The reversal of 4816639969 is 9699366184.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (4816639951) and next prime (4816639987).

It is a cyclic number.

It is not a de Polignac number, because 4816639969 - 2¹⁷ = 4816508897 is a prime.

It is a super-2 number, since 2×4816639969² = 46400041181936641922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4816639999) 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, 56007399 + ... + 56007484.

It is an arithmetic number, because the mean of its divisors is an integer number (1232163724).

Almost surely, 2^4816639969 is an apocalyptic number.

It is an amenable number.

4816639969 is a deficient number, since it is larger than the sum of its proper divisors (112014927).

4816639969 is a wasteful number, since it uses less digits than its factorization.

4816639969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112014926.

The product of its digits is 15116544, while the sum is 61.

The square root of 4816639969 is about 69402.0170384118. The cubic root of 4816639969 is about 1688.8123454269.

The spelling of 4816639969 in words is "four billion, eight hundred sixteen million, six hundred thirty-nine thousand, nine hundred sixty-nine".