2866340557 has 2 divisors, whose sum is σ = 2866340558. Its totient is φ = 2866340556.

The previous prime is 2866340549. The next prime is 2866340563. The reversal of 2866340557 is 7550436682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1498154436 + 1368186121 = 38706^2 + 36989^2 .

It is a cyclic number.

It is not a de Polignac number, because 2866340557 - 2³ = 2866340549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2866340857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1433170278 + 1433170279.

It is an arithmetic number, because the mean of its divisors is an integer number (1433170279).

Almost surely, 2^2866340557 is an apocalyptic number.

It is an amenable number.

2866340557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2866340557 is an equidigital number, since it uses as much as digits as its factorization.

2866340557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The square root of 2866340557 is about 53538.2158555923. The cubic root of 2866340557 is about 1420.5044423830.

The spelling of 2866340557 in words is "two billion, eight hundred sixty-six million, three hundred forty thousand, five hundred fifty-seven".