14245442569 has 2 divisors, whose sum is σ = 14245442570. Its totient is φ = 14245442568.

The previous prime is 14245442543. The next prime is 14245442573. The reversal of 14245442569 is 96524454241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14122232569 + 123210000 = 118837^2 + 11100^2 .

It is a cyclic number.

It is not a de Polignac number, because 14245442569 - 2⁵ = 14245442537 is a prime.

It is a super-2 number, since 2×14245442569² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14245442509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7122721284 + 7122721285.

It is an arithmetic number, because the mean of its divisors is an integer number (7122721285).

Almost surely, 2^14245442569 is an apocalyptic number.

It is an amenable number.

14245442569 is a deficient number, since it is larger than the sum of its proper divisors (1).

14245442569 is an equidigital number, since it uses as much as digits as its factorization.

14245442569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 46.

The spelling of 14245442569 in words is "fourteen billion, two hundred forty-five million, four hundred forty-two thousand, five hundred sixty-nine".