611650615349 has 2 divisors, whose sum is σ = 611650615350. Its totient is φ = 611650615348.

The previous prime is 611650615339. The next prime is 611650615393. The reversal of 611650615349 is 943516056116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 550601100625 + 61049514724 = 742025^2 + 247082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611650615349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611650615319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305825307674 + 305825307675.

It is an arithmetic number, because the mean of its divisors is an integer number (305825307675).

Almost surely, 2^611650615349 is an apocalyptic number.

It is an amenable number.

611650615349 is a deficient number, since it is larger than the sum of its proper divisors (1).

611650615349 is an equidigital number, since it uses as much as digits as its factorization.

611650615349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 611650615349 in words is "six hundred eleven billion, six hundred fifty million, six hundred fifteen thousand, three hundred forty-nine".