2681085573 has 48 divisors (see below), whose sum is σ = 4161456000. Its totient is φ = 1658409984.

The previous prime is 2681085569. The next prime is 2681085577. The reversal of 2681085573 is 3755801862.

2681085573 is a `hidden beast` number, since 2 + 68 + 10 + 8 + 5 + 573 = 666.

It is an interprime number because it is at equal distance from previous prime (2681085569) and next prime (2681085577).

It is not a de Polignac number, because 2681085573 - 2² = 2681085569 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681085577) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1718968 + ... + 1720526.

It is an arithmetic number, because the mean of its divisors is an integer number (86697000).

Almost surely, 2^2681085573 is an apocalyptic number.

It is an amenable number.

2681085573 is a deficient number, since it is larger than the sum of its proper divisors (1480370427).

2681085573 is a wasteful number, since it uses less digits than its factorization.

2681085573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786 (or 1783 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 2681085573 is about 51779.2001966040. The cubic root of 2681085573 is about 1389.2174352155.

The spelling of 2681085573 in words is "two billion, six hundred eighty-one million, eighty-five thousand, five hundred seventy-three".