5681606267 has 2 divisors, whose sum is σ = 5681606268. Its totient is φ = 5681606266.

The previous prime is 5681606263. The next prime is 5681606321. The reversal of 5681606267 is 7626061865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5681606267 - 2² = 5681606263 is a prime.

It is not a weakly prime, because it can be changed into another prime (5681606263) 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, 2840803133 + 2840803134.

It is an arithmetic number, because the mean of its divisors is an integer number (2840803134).

Almost surely, 2^5681606267 is an apocalyptic number.

5681606267 is a deficient number, since it is larger than the sum of its proper divisors (1).

5681606267 is an equidigital number, since it uses as much as digits as its factorization.

5681606267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 5681606267 is about 75376.4304474549. The cubic root of 5681606267 is about 1784.3924540409.

The spelling of 5681606267 in words is "five billion, six hundred eighty-one million, six hundred six thousand, two hundred sixty-seven".