663120470113 has 4 divisors (see below), whose sum is σ = 663631743940. Its totient is φ = 662609196288.

The previous prime is 663120470107. The next prime is 663120470197. The reversal of 663120470113 is 311074021366.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 624111060049 + 39009410064 = 790007^2 + 197508^2 .

It is a cyclic number.

It is not a de Polignac number, because 663120470113 - 2⁹ = 663120469601 is a prime.

It is a super-2 number, since 2×663120470113² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663120420113) 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 3 ways as a sum of consecutive naturals, for example, 255634968 + ... + 255637561.

It is an arithmetic number, because the mean of its divisors is an integer number (165907935985).

Almost surely, 2^663120470113 is an apocalyptic number.

It is an amenable number.

663120470113 is a deficient number, since it is larger than the sum of its proper divisors (511273827).

663120470113 is a wasteful number, since it uses less digits than its factorization.

663120470113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511273826.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 663120470113 its reverse (311074021366), we get a palindrome (974194491479).

The spelling of 663120470113 in words is "six hundred sixty-three billion, one hundred twenty million, four hundred seventy thousand, one hundred thirteen".