14236513649 has 2 divisors, whose sum is σ = 14236513650. Its totient is φ = 14236513648.

The previous prime is 14236513639. The next prime is 14236513657. The reversal of 14236513649 is 94631563241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14090877025 + 145636624 = 118705^2 + 12068^2 .

It is an emirp because it is prime and its reverse (94631563241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14236513649 - 2⁴ = 14236513633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14236513639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7118256824 + 7118256825.

It is an arithmetic number, because the mean of its divisors is an integer number (7118256825).

Almost surely, 2^14236513649 is an apocalyptic number.

It is an amenable number.

14236513649 is a deficient number, since it is larger than the sum of its proper divisors (1).

14236513649 is an equidigital number, since it uses as much as digits as its factorization.

14236513649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 44.

The spelling of 14236513649 in words is "fourteen billion, two hundred thirty-six million, five hundred thirteen thousand, six hundred forty-nine".