14317797649 has 3 divisors (see below), whose sum is σ = 14317917307. Its totient is φ = 14317677992.

The previous prime is 14317797589. The next prime is 14317797653. The reversal of 14317797649 is 94679771341.

The square root of 14317797649 is 119657.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3088580625 + 11229217024 = 55575^2 + 105968^2 .

It is not a de Polignac number, because 14317797649 - 2¹⁹ = 14317273361 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14317797593 and 14317797602.

It is not an unprimeable number, because it can be changed into a prime (14317797049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 59829 + ... + 179485.

Almost surely, 2^14317797649 is an apocalyptic number.

14317797649 is the 119657-th square number.

14317797649 is the 59829-th centered octagonal number.

It is an amenable number.

14317797649 is a deficient number, since it is larger than the sum of its proper divisors (119658).

14317797649 is an frugal number, since it uses more digits than its factorization.

14317797649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239314 (or 119657 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 58.

The spelling of 14317797649 in words is "fourteen billion, three hundred seventeen million, seven hundred ninety-seven thousand, six hundred forty-nine".