14205023513 has 4 divisors (see below), whose sum is σ = 14694851940. Its totient is φ = 13715195088.

The previous prime is 14205023509. The next prime is 14205023527. The reversal of 14205023513 is 31532050241.

It is a happy number.

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 3758548249 + 10446475264 = 61307^2 + 102208^2 .

It is a cyclic number.

It is not a de Polignac number, because 14205023513 - 2² = 14205023509 is a prime.

It is a super-2 number, since 2×14205023513² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14205023113) 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, 244914170 + ... + 244914227.

It is an arithmetic number, because the mean of its divisors is an integer number (3673712985).

Almost surely, 2^14205023513 is an apocalyptic number.

It is an amenable number.

14205023513 is a deficient number, since it is larger than the sum of its proper divisors (489828427).

14205023513 is an equidigital number, since it uses as much as digits as its factorization.

14205023513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489828426.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 14205023513 its reverse (31532050241), we get a palindrome (45737073754).

The spelling of 14205023513 in words is "fourteen billion, two hundred five million, twenty-three thousand, five hundred thirteen".