4869091021 has 8 divisors (see below), whose sum is σ = 4943467584. Its totient is φ = 4794922080.

The previous prime is 4869091009. The next prime is 4869091063. The reversal of 4869091021 is 1201909684.

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 4869091021 - 2²⁷ = 4734873293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4869091921) 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, 4315 + ... + 98776.

It is an arithmetic number, because the mean of its divisors is an integer number (617933448).

Almost surely, 2^4869091021 is an apocalyptic number.

It is an amenable number.

4869091021 is a deficient number, since it is larger than the sum of its proper divisors (74376563).

4869091021 is a wasteful number, since it uses less digits than its factorization.

4869091021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103811.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 4869091021 is about 69778.8723110370. The cubic root of 4869091021 is about 1694.9203642795.

The spelling of 4869091021 in words is "four billion, eight hundred sixty-nine million, ninety-one thousand, twenty-one".