14649317569 has 2 divisors, whose sum is σ = 14649317570. Its totient is φ = 14649317568.

The previous prime is 14649317533. The next prime is 14649317597. The reversal of 14649317569 is 96571394641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11190466225 + 3458851344 = 105785^2 + 58812^2 .

It is a cyclic number.

It is not a de Polignac number, because 14649317569 - 2⁹ = 14649317057 is a prime.

It is a super-2 number, since 2×14649317569² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14649317069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7324658784 + 7324658785.

It is an arithmetic number, because the mean of its divisors is an integer number (7324658785).

Almost surely, 2^14649317569 is an apocalyptic number.

It is an amenable number.

14649317569 is a deficient number, since it is larger than the sum of its proper divisors (1).

14649317569 is an equidigital number, since it uses as much as digits as its factorization.

14649317569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 55.

The spelling of 14649317569 in words is "fourteen billion, six hundred forty-nine million, three hundred seventeen thousand, five hundred sixty-nine".