2821985695 has 8 divisors (see below), whose sum is σ = 3387227760. Its totient is φ = 2257025280.

The previous prime is 2821985681. The next prime is 2821985711. The reversal of 2821985695 is 5965891282.

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

It is not a de Polignac number, because 2821985695 - 2²¹ = 2819888543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47701 + ... + 88990.

It is an arithmetic number, because the mean of its divisors is an integer number (423403470).

Almost surely, 2^2821985695 is an apocalyptic number.

2821985695 is a deficient number, since it is larger than the sum of its proper divisors (565242065).

2821985695 is a wasteful number, since it uses less digits than its factorization.

2821985695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140825.

The product of its digits is 3110400, while the sum is 55.

The square root of 2821985695 is about 53122.3652993727. The cubic root of 2821985695 is about 1413.1391747358.

The spelling of 2821985695 in words is "two billion, eight hundred twenty-one million, nine hundred eighty-five thousand, six hundred ninety-five".