6209684641 has 2 divisors, whose sum is σ = 6209684642. Its totient is φ = 6209684640.

The previous prime is 6209684623. The next prime is 6209684681. The reversal of 6209684641 is 1464869026.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6090241600 + 119443041 = 78040^2 + 10929^2 .

It is a cyclic number.

It is not a de Polignac number, because 6209684641 - 2¹³ = 6209676449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6209684591 and 6209684600.

It is not a weakly prime, because it can be changed into another prime (6209684681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3104842320 + 3104842321.

It is an arithmetic number, because the mean of its divisors is an integer number (3104842321).

Almost surely, 2^6209684641 is an apocalyptic number.

It is an amenable number.

6209684641 is a deficient number, since it is larger than the sum of its proper divisors (1).

6209684641 is an equidigital number, since it uses as much as digits as its factorization.

6209684641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 6209684641 is about 78801.5522753201. The cubic root of 6209684641 is about 1838.0465880136.

The spelling of 6209684641 in words is "six billion, two hundred nine million, six hundred eighty-four thousand, six hundred forty-one".