5806209947 has 2 divisors, whose sum is σ = 5806209948. Its totient is φ = 5806209946.

The previous prime is 5806209923. The next prime is 5806209961. The reversal of 5806209947 is 7499026085.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5806209947 - 2¹² = 5806205851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5806209895 and 5806209904.

It is not a weakly prime, because it can be changed into another prime (5806209967) 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, 2903104973 + 2903104974.

It is an arithmetic number, because the mean of its divisors is an integer number (2903104974).

Almost surely, 2^5806209947 is an apocalyptic number.

5806209947 is a deficient number, since it is larger than the sum of its proper divisors (1).

5806209947 is an equidigital number, since it uses as much as digits as its factorization.

5806209947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 5806209947 is about 76198.4904509269. The cubic root of 5806209947 is about 1797.3427816246.

The spelling of 5806209947 in words is "five billion, eight hundred six million, two hundred nine thousand, nine hundred forty-seven".