14043035257 has 4 divisors (see below), whose sum is σ = 14200822260. Its totient is φ = 13885248256.

The previous prime is 14043035243. The next prime is 14043035297. The reversal of 14043035257 is 75253034041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75253034041 = 3203 ⋅23494547.

It can be written as a sum of positive squares in 2 ways, for example, as 9134771776 + 4908263481 = 95576^2 + 70059^2 .

It is a cyclic number.

It is not a de Polignac number, because 14043035257 - 2⁷ = 14043035129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14043035207) 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, 78893368 + ... + 78893545.

It is an arithmetic number, because the mean of its divisors is an integer number (3550205565).

Almost surely, 2^14043035257 is an apocalyptic number.

It is an amenable number.

14043035257 is a deficient number, since it is larger than the sum of its proper divisors (157787003).

14043035257 is an equidigital number, since it uses as much as digits as its factorization.

14043035257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157787002.

The product of its (nonzero) digits is 50400, while the sum is 34.

Adding to 14043035257 its reverse (75253034041), we get a palindrome (89296069298).

The spelling of 14043035257 in words is "fourteen billion, forty-three million, thirty-five thousand, two hundred fifty-seven".