2881243237 has 2 divisors, whose sum is σ = 2881243238. Its totient is φ = 2881243236.

The previous prime is 2881243219. The next prime is 2881243241. The reversal of 2881243237 is 7323421882.

2881243237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1503423076 + 1377820161 = 38774^2 + 37119^2 .

It is a cyclic number.

It is not a de Polignac number, because 2881243237 - 2⁷ = 2881243109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2881243237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2881243297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440621618 + 1440621619.

It is an arithmetic number, because the mean of its divisors is an integer number (1440621619).

Almost surely, 2^2881243237 is an apocalyptic number.

It is an amenable number.

2881243237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2881243237 is an equidigital number, since it uses as much as digits as its factorization.

2881243237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 40.

The square root of 2881243237 is about 53677.2133870602. The cubic root of 2881243237 is about 1422.9620174076.

The spelling of 2881243237 in words is "two billion, eight hundred eighty-one million, two hundred forty-three thousand, two hundred thirty-seven".