611194427863 has 2 divisors, whose sum is σ = 611194427864. Its totient is φ = 611194427862.

The previous prime is 611194427827. The next prime is 611194427867. The reversal of 611194427863 is 368724491116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611194427863 - 2⁹ = 611194427351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 611194427863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611194427867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305597213931 + 305597213932.

It is an arithmetic number, because the mean of its divisors is an integer number (305597213932).

Almost surely, 2^611194427863 is an apocalyptic number.

611194427863 is a deficient number, since it is larger than the sum of its proper divisors (1).

611194427863 is an equidigital number, since it uses as much as digits as its factorization.

611194427863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 52.

The spelling of 611194427863 in words is "six hundred eleven billion, one hundred ninety-four million, four hundred twenty-seven thousand, eight hundred sixty-three".