14005316645 has 4 divisors (see below), whose sum is σ = 16806379980. Its totient is φ = 11204253312.

The previous prime is 14005316641. The next prime is 14005316681. The reversal of 14005316645 is 54661350041.

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 10347365284 + 3657951361 = 101722^2 + 60481^2 .

It is a cyclic number.

It is not a de Polignac number, because 14005316645 - 2² = 14005316641 is a prime.

It is a super-2 number, since 2×14005316645² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14005316641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400531660 + ... + 1400531669.

It is an arithmetic number, because the mean of its divisors is an integer number (4201594995).

Almost surely, 2^14005316645 is an apocalyptic number.

It is an amenable number.

14005316645 is a deficient number, since it is larger than the sum of its proper divisors (2801063335).

14005316645 is an equidigital number, since it uses as much as digits as its factorization.

14005316645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801063334.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 14005316645 its reverse (54661350041), we get a palindrome (68666666686).

The spelling of 14005316645 in words is "fourteen billion, five million, three hundred sixteen thousand, six hundred forty-five".