4820974700221 has 4 divisors (see below), whose sum is σ = 4845446653212. Its totient is φ = 4796502747232.

The previous prime is 4820974700209. The next prime is 4820974700261. The reversal of 4820974700221 is 1220074790284.

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 4074281695225 + 746693004996 = 2018485^2 + 864114^2 .

It is a cyclic number.

It is not a de Polignac number, because 4820974700221 - 2³¹ = 4818827216573 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 (4820974700261) 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, 12235976200 + ... + 12235976593.

It is an arithmetic number, because the mean of its divisors is an integer number (1211361663303).

Almost surely, 2^{4820974700221} is an apocalyptic number.

It is an amenable number.

4820974700221 is a deficient number, since it is larger than the sum of its proper divisors (24471952991).

4820974700221 is a wasteful number, since it uses less digits than its factorization.

4820974700221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24471952990.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 4820974700221 in words is "four trillion, eight hundred twenty billion, nine hundred seventy-four million, seven hundred thousand, two hundred twenty-one".