2006775137 has 2 divisors, whose sum is σ = 2006775138. Its totient is φ = 2006775136.

The previous prime is 2006775107. The next prime is 2006775163. The reversal of 2006775137 is 7315776002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1844187136 + 162588001 = 42944^2 + 12751^2 .

It is a cyclic number.

It is not a de Polignac number, because 2006775137 - 2¹⁰ = 2006774113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2006775137.

It is not a weakly prime, because it can be changed into another prime (2006775107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003387568 + 1003387569.

It is an arithmetic number, because the mean of its divisors is an integer number (1003387569).

Almost surely, 2^2006775137 is an apocalyptic number.

It is an amenable number.

2006775137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006775137 is an equidigital number, since it uses as much as digits as its factorization.

2006775137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 2006775137 is about 44797.0438422001. The cubic root of 2006775137 is about 1261.3421360456.

The spelling of 2006775137 in words is "two billion, six million, seven hundred seventy-five thousand, one hundred thirty-seven".