2821010873 has 12 divisors (see below), whose sum is σ = 2926758588. Its totient is φ = 2718965760.

The previous prime is 2821010867. The next prime is 2821010887. The reversal of 2821010873 is 3780101282.

It can be written as a sum of positive squares in 6 ways, for example, as 781314304 + 2039696569 = 27952^2 + 45163^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2821010873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2821010473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 536465 + ... + 541697.

It is an arithmetic number, because the mean of its divisors is an integer number (243896549).

Almost surely, 2^2821010873 is an apocalyptic number.

It is an amenable number.

2821010873 is a deficient number, since it is larger than the sum of its proper divisors (105747715).

2821010873 is an equidigital number, since it uses as much as digits as its factorization.

2821010873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5932 (or 5903 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 2821010873 is about 53113.1892565302. The cubic root of 2821010873 is about 1412.9764385214.

The spelling of 2821010873 in words is "two billion, eight hundred twenty-one million, ten thousand, eight hundred seventy-three".