6405224113 has 8 divisors (see below), whose sum is σ = 7015864680. Its totient is φ = 5820568320.

The previous prime is 6405224099. The next prime is 6405224129. The reversal of 6405224113 is 3114225046.

It can be written as a sum of positive squares in 4 ways, for example, as 2922807969 + 3482416144 = 54063^2 + 59012^2 .

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 6405224113 - 2⁵ = 6405224081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6405224213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6495678 + ... + 6496663.

It is an arithmetic number, because the mean of its divisors is an integer number (876983085).

Almost surely, 2^6405224113 is an apocalyptic number.

It is an amenable number.

6405224113 is a deficient number, since it is larger than the sum of its proper divisors (610640567).

6405224113 is a wasteful number, since it uses less digits than its factorization.

6405224113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12992387.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 6405224113 is about 80032.6440460391. The cubic root of 6405224113 is about 1857.1405665678.

Adding to 6405224113 its reverse (3114225046), we get a palindrome (9519449159).

The spelling of 6405224113 in words is "six billion, four hundred five million, two hundred twenty-four thousand, one hundred thirteen".