6228435183661 has 2 divisors, whose sum is σ = 6228435183662. Its totient is φ = 6228435183660.

The previous prime is 6228435183631. The next prime is 6228435183779. The reversal of 6228435183661 is 1663815348226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3689495689636 + 2538939494025 = 1920806^2 + 1593405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6228435183661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6228435183631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3114217591830 + 3114217591831.

It is an arithmetic number, because the mean of its divisors is an integer number (3114217591831).

Almost surely, 2^{6228435183661} is an apocalyptic number.

It is an amenable number.

6228435183661 is a deficient number, since it is larger than the sum of its proper divisors (1).

6228435183661 is an equidigital number, since it uses as much as digits as its factorization.

6228435183661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9953280, while the sum is 55.

The spelling of 6228435183661 in words is "six trillion, two hundred twenty-eight billion, four hundred thirty-five million, one hundred eighty-three thousand, six hundred sixty-one".