611244104663 has 4 divisors (see below), whose sum is σ = 611250689760. Its totient is φ = 611237519568.

The previous prime is 611244104657. The next prime is 611244104693. The reversal of 611244104663 is 366401442116.

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

It is a cyclic number.

It is not a de Polignac number, because 611244104663 - 2³⁰ = 610170362839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611244104633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3151295 + ... + 3339632.

It is an arithmetic number, because the mean of its divisors is an integer number (152812672440).

Almost surely, 2^611244104663 is an apocalyptic number.

611244104663 is a deficient number, since it is larger than the sum of its proper divisors (6585097).

611244104663 is an equidigital number, since it uses as much as digits as its factorization.

611244104663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6585096.

The product of its (nonzero) digits is 82944, while the sum is 38.

Adding to 611244104663 its reverse (366401442116), we get a palindrome (977645546779).

The spelling of 611244104663 in words is "six hundred eleven billion, two hundred forty-four million, one hundred four thousand, six hundred sixty-three".