5613889445 has 4 divisors (see below), whose sum is σ = 6736667340. Its totient is φ = 4491111552.

The previous prime is 5613889441. The next prime is 5613889483. The reversal of 5613889445 is 5449883165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5449883165 = 5 ⋅1089976633.

It can be written as a sum of positive squares in 2 ways, for example, as 2795659876 + 2818229569 = 52874^2 + 53087^2 .

It is a cyclic number.

It is not a de Polignac number, because 5613889445 - 2² = 5613889441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5613889441) 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, 561388940 + ... + 561388949.

It is an arithmetic number, because the mean of its divisors is an integer number (1684166835).

Almost surely, 2^5613889445 is an apocalyptic number.

It is an amenable number.

5613889445 is a deficient number, since it is larger than the sum of its proper divisors (1122777895).

5613889445 is a wasteful number, since it uses less digits than its factorization.

5613889445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122777894.

The product of its digits is 4147200, while the sum is 53.

The square root of 5613889445 is about 74925.8930210378. The cubic root of 5613889445 is about 1777.2749453782.

The spelling of 5613889445 in words is "five billion, six hundred thirteen million, eight hundred eighty-nine thousand, four hundred forty-five".