14500356257 has 4 divisors (see below), whose sum is σ = 14563676820. Its totient is φ = 14437035696.

The previous prime is 14500356251. The next prime is 14500356259. The reversal of 14500356257 is 75265300541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75265300541 = 133981 ⋅561761.

It can be written as a sum of positive squares in 2 ways, for example, as 10007201296 + 4493154961 = 100036^2 + 67031^2 .

It is a de Polignac number, because none of the positive numbers 2^k-14500356257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14500356257.

It is not an unprimeable number, because it can be changed into a prime (14500356251) 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, 31659938 + ... + 31660395.

It is an arithmetic number, because the mean of its divisors is an integer number (3640919205).

Almost surely, 2^14500356257 is an apocalyptic number.

It is an amenable number.

14500356257 is a deficient number, since it is larger than the sum of its proper divisors (63320563).

14500356257 is an equidigital number, since it uses as much as digits as its factorization.

14500356257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63320562.

The product of its (nonzero) digits is 126000, while the sum is 38.

Adding to 14500356257 its reverse (75265300541), we get a palindrome (89765656798).

The spelling of 14500356257 in words is "fourteen billion, five hundred million, three hundred fifty-six thousand, two hundred fifty-seven".