611842756339 has 2 divisors, whose sum is σ = 611842756340. Its totient is φ = 611842756338.

The previous prime is 611842756309. The next prime is 611842756351. The reversal of 611842756339 is 933657248116.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611842756339 - 2¹¹ = 611842754291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 611842756339.

It is not a weakly prime, because it can be changed into another prime (611842756309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305921378169 + 305921378170.

It is an arithmetic number, because the mean of its divisors is an integer number (305921378170).

Almost surely, 2^611842756339 is an apocalyptic number.

611842756339 is a deficient number, since it is larger than the sum of its proper divisors (1).

611842756339 is an equidigital number, since it uses as much as digits as its factorization.

611842756339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 55.

The spelling of 611842756339 in words is "six hundred eleven billion, eight hundred forty-two million, seven hundred fifty-six thousand, three hundred thirty-nine".