2021708485 has 8 divisors (see below), whose sum is σ = 2427131160. Its totient is φ = 1616646144.

The previous prime is 2021708477. The next prime is 2021708503. The reversal of 2021708485 is 5848071202.

It can be written as a sum of positive squares in 4 ways, for example, as 447364801 + 1574343684 = 21151^2 + 39678^2 .

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 2021708485 - 2³ = 2021708477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77580 + ... + 100309.

It is an arithmetic number, because the mean of its divisors is an integer number (303391395).

Almost surely, 2^2021708485 is an apocalyptic number.

It is an amenable number.

2021708485 is a deficient number, since it is larger than the sum of its proper divisors (405422675).

2021708485 is a wasteful number, since it uses less digits than its factorization.

2021708485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180167.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 2021708485 is about 44963.4127374691. The cubic root of 2021708485 is about 1264.4631518303.

Adding to 2021708485 its reverse (5848071202), we get a palindrome (7869779687).

The spelling of 2021708485 in words is "two billion, twenty-one million, seven hundred eight thousand, four hundred eighty-five".