4874567821 has 8 divisors (see below), whose sum is σ = 4892110304. Its totient is φ = 4857042960.

The previous prime is 4874567791. The next prime is 4874567833. The reversal of 4874567821 is 1287654784.

4874567821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4874567821 - 2²⁷ = 4740350093 is a prime.

It is a super-2 number, since 2×4874567821² = 47522822883057376082, 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 (4874567851) 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, 803626 + ... + 809668.

It is an arithmetic number, because the mean of its divisors is an integer number (611513788).

Almost surely, 2^4874567821 is an apocalyptic number.

It is an amenable number.

4874567821 is a deficient number, since it is larger than the sum of its proper divisors (17542483).

4874567821 is a wasteful number, since it uses less digits than its factorization.

4874567821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8811.

The product of its digits is 3010560, while the sum is 52.

The square root of 4874567821 is about 69818.1052521479. The cubic root of 4874567821 is about 1695.5556136889. Note that the first 3 decimals are identical.

The spelling of 4874567821 in words is "four billion, eight hundred seventy-four million, five hundred sixty-seven thousand, eight hundred twenty-one".