14245240657 has 2 divisors, whose sum is σ = 14245240658. Its totient is φ = 14245240656.

The previous prime is 14245240649. The next prime is 14245240721. The reversal of 14245240657 is 75604254241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11077352001 + 3167888656 = 105249^2 + 56284^2 .

It is a cyclic number.

It is not a de Polignac number, because 14245240657 - 2³ = 14245240649 is a prime.

It is not a weakly prime, because it can be changed into another prime (14245240357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7122620328 + 7122620329.

It is an arithmetic number, because the mean of its divisors is an integer number (7122620329).

Almost surely, 2^14245240657 is an apocalyptic number.

It is an amenable number.

14245240657 is a deficient number, since it is larger than the sum of its proper divisors (1).

14245240657 is an equidigital number, since it uses as much as digits as its factorization.

14245240657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 40.

Adding to 14245240657 its reverse (75604254241), we get a palindrome (89849494898).

The spelling of 14245240657 in words is "fourteen billion, two hundred forty-five million, two hundred forty thousand, six hundred fifty-seven".