4821888917 has 4 divisors (see below), whose sum is σ = 4866126540. Its totient is φ = 4777651296.

The previous prime is 4821888881. The next prime is 4821888919. The reversal of 4821888917 is 7198881284.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1556223601 + 3265665316 = 39449^2 + 57146^2 .

It is a cyclic number.

It is not a de Polignac number, because 4821888917 - 2¹⁴ = 4821872533 is a prime.

It is a super-2 number, since 2×4821888917² = 46501225455774865778, 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 (4821888919) 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, 22118648 + ... + 22118865.

It is an arithmetic number, because the mean of its divisors is an integer number (1216531635).

Almost surely, 2^4821888917 is an apocalyptic number.

It is an amenable number.

4821888917 is a deficient number, since it is larger than the sum of its proper divisors (44237623).

4821888917 is a wasteful number, since it uses less digits than its factorization.

4821888917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44237622.

The product of its digits is 2064384, while the sum is 56.

The square root of 4821888917 is about 69439.8222707979. The cubic root of 4821888917 is about 1689.4255855109.

The spelling of 4821888917 in words is "four billion, eight hundred twenty-one million, eight hundred eighty-eight thousand, nine hundred seventeen".