611080673849 has 2 divisors, whose sum is σ = 611080673850. Its totient is φ = 611080673848.

The previous prime is 611080673809. The next prime is 611080673857. The reversal of 611080673849 is 948376080116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556116215824 + 54964458025 = 745732^2 + 234445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611080673849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 611080673849.

It is not a weakly prime, because it can be changed into another prime (611080673809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305540336924 + 305540336925.

It is an arithmetic number, because the mean of its divisors is an integer number (305540336925).

Almost surely, 2^611080673849 is an apocalyptic number.

It is an amenable number.

611080673849 is a deficient number, since it is larger than the sum of its proper divisors (1).

611080673849 is an equidigital number, since it uses as much as digits as its factorization.

611080673849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 611080673849 in words is "six hundred eleven billion, eighty million, six hundred seventy-three thousand, eight hundred forty-nine".