2085631873 has 16 divisors (see below), whose sum is σ = 2320509520. Its totient is φ = 1873093248.

The previous prime is 2085631871. The next prime is 2085631879. The reversal of 2085631873 is 3781365802.

It can be written as a sum of positive squares in 8 ways, for example, as 1182809664 + 902822209 = 34392^2 + 30047^2 .

It is not a de Polignac number, because 2085631873 - 2¹ = 2085631871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2085631871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68461 + ... + 94117.

It is an arithmetic number, because the mean of its divisors is an integer number (145031845).

Almost surely, 2^2085631873 is an apocalyptic number.

It is an amenable number.

2085631873 is a deficient number, since it is larger than the sum of its proper divisors (234877647).

2085631873 is an equidigital number, since it uses as much as digits as its factorization.

2085631873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25733 (or 25707 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2085631873 is about 45668.7187580295. The cubic root of 2085631873 is about 1277.6519193874.

The spelling of 2085631873 in words is "two billion, eighty-five million, six hundred thirty-one thousand, eight hundred seventy-three".