611530698073 has 4 divisors (see below), whose sum is σ = 612943009588. Its totient is φ = 610118386560.

The previous prime is 611530698067. The next prime is 611530698089. The reversal of 611530698073 is 370896035116.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 280684861209 + 330845836864 = 529797^2 + 575192^2 .

It is a cyclic number.

It is not a de Polignac number, because 611530698073 - 2¹⁷ = 611530567001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611530698013) 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 in 3 ways as a sum of consecutive naturals, for example, 706155108 + ... + 706155973.

It is an arithmetic number, because the mean of its divisors is an integer number (153235752397).

Almost surely, 2^611530698073 is an apocalyptic number.

It is an amenable number.

611530698073 is a deficient number, since it is larger than the sum of its proper divisors (1412311515).

611530698073 is a wasteful number, since it uses less digits than its factorization.

611530698073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412311514.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 611530698073 in words is "six hundred eleven billion, five hundred thirty million, six hundred ninety-eight thousand, seventy-three".