2866091242 has 24 divisors (see below), whose sum is σ = 5020540164. Its totient is φ = 1223534592.

The previous prime is 2866091209. The next prime is 2866091243. The reversal of 2866091242 is 2421906682.

2866091242 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 2773180921 + 92910321 = 52661^2 + 9639^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2866091195 and 2866091204.

It is not an unprimeable number, because it can be changed into a prime (2866091243) 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, 31713 + ... + 82084.

Almost surely, 2^2866091242 is an apocalyptic number.

2866091242 is a deficient number, since it is larger than the sum of its proper divisors (2154448922).

2866091242 is a wasteful number, since it uses less digits than its factorization.

2866091242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114070 (or 114063 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 2866091242 is about 53535.8874214297. The cubic root of 2866091242 is about 1420.4632559146.

The spelling of 2866091242 in words is "two billion, eight hundred sixty-six million, ninety-one thousand, two hundred forty-two".