4427253561619 has 8 divisors (see below), whose sum is σ = 5063249224800. Its totient is φ = 3792140615616.

The previous prime is 4427253561607. The next prime is 4427253561641. The reversal of 4427253561619 is 9161653527244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4427253561619 - 2¹¹ = 4427253559571 is a prime.

It is a super-2 number, since 2×4427253561619² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4427253561619.

It is not an unprimeable number, because it can be changed into a prime (4427253561319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220668544 + ... + 220688605.

It is an arithmetic number, because the mean of its divisors is an integer number (632906153100).

Almost surely, 2^{4427253561619} is an apocalyptic number.

4427253561619 is a deficient number, since it is larger than the sum of its proper divisors (635995663181).

4427253561619 is a wasteful number, since it uses less digits than its factorization.

4427253561619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441358589.

The product of its digits is 10886400, while the sum is 55.

The spelling of 4427253561619 in words is "four trillion, four hundred twenty-seven billion, two hundred fifty-three million, five hundred sixty-one thousand, six hundred nineteen".