2861030081 has 12 divisors (see below), whose sum is σ = 3584148372. Its totient is φ = 2263671648.

The previous prime is 2861030077. The next prime is 2861030087. The reversal of 2861030081 is 1800301682.

2861030081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 387459856 + 2473570225 = 19684^2 + 49735^2 .

It is not a de Polignac number, because 2861030081 - 2² = 2861030077 is a prime.

It is a super-2 number, since 2×2861030081² = 16370986248773733122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2861030087) 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, 2245070 + ... + 2246343.

It is an arithmetic number, because the mean of its divisors is an integer number (298679031).

Almost surely, 2^2861030081 is an apocalyptic number.

It is an amenable number.

2861030081 is a deficient number, since it is larger than the sum of its proper divisors (723118291).

2861030081 is a wasteful number, since it uses less digits than its factorization.

2861030081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491440 (or 4491433 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 2861030081 is about 53488.5976727751. The cubic root of 2861030081 is about 1419.6266427340.

The spelling of 2861030081 in words is "two billion, eight hundred sixty-one million, thirty thousand, eighty-one".