14689842569 has 2 divisors, whose sum is σ = 14689842570. Its totient is φ = 14689842568.

The previous prime is 14689842539. The next prime is 14689842589. The reversal of 14689842569 is 96524898641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11504707600 + 3185134969 = 107260^2 + 56437^2 .

It is a cyclic number.

It is not a de Polignac number, because 14689842569 - 2⁸ = 14689842313 is a prime.

It is a super-2 number, since 2×14689842569² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14689842539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7344921284 + 7344921285.

It is an arithmetic number, because the mean of its divisors is an integer number (7344921285).

Almost surely, 2^14689842569 is an apocalyptic number.

It is an amenable number.

14689842569 is a deficient number, since it is larger than the sum of its proper divisors (1).

14689842569 is an equidigital number, since it uses as much as digits as its factorization.

14689842569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29859840, while the sum is 62.

The spelling of 14689842569 in words is "fourteen billion, six hundred eighty-nine million, eight hundred forty-two thousand, five hundred sixty-nine".