2061186851 has 2 divisors, whose sum is σ = 2061186852. Its totient is φ = 2061186850.

The previous prime is 2061186817. The next prime is 2061186857. The reversal of 2061186851 is 1586811602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2061186851 - 2¹⁴ = 2061170467 is a prime.

It is not a weakly prime, because it can be changed into another prime (2061186857) 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, 1030593425 + 1030593426.

It is an arithmetic number, because the mean of its divisors is an integer number (1030593426).

Almost surely, 2^2061186851 is an apocalyptic number.

2061186851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061186851 is an equidigital number, since it uses as much as digits as its factorization.

2061186851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 2061186851 is about 45400.2957148960. The cubic root of 2061186851 is about 1272.6406401578.

The spelling of 2061186851 in words is "two billion, sixty-one million, one hundred eighty-six thousand, eight hundred fifty-one".