611063689 has 2 divisors, whose sum is σ = 611063690. Its totient is φ = 611063688.

The previous prime is 611063683. The next prime is 611063741. The reversal of 611063689 is 986360116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 608115600 + 2948089 = 24660^2 + 1717^2 .

It is a cyclic number.

It is not a de Polignac number, because 611063689 - 2⁷ = 611063561 is a prime.

It is not a weakly prime, because it can be changed into another prime (611063683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305531844 + 305531845.

It is an arithmetic number, because the mean of its divisors is an integer number (305531845).

Almost surely, 2^611063689 is an apocalyptic number.

It is an amenable number.

611063689 is a deficient number, since it is larger than the sum of its proper divisors (1).

611063689 is an equidigital number, since it uses as much as digits as its factorization.

611063689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 611063689 is about 24719.7024456202. The cubic root of 611063689 is about 848.5852771199.

The spelling of 611063689 in words is "six hundred eleven million, sixty-three thousand, six hundred eighty-nine".