1759665116249 has 2 divisors, whose sum is σ = 1759665116250. Its totient is φ = 1759665116248.

The previous prime is 1759665116227. The next prime is 1759665116263. The reversal of 1759665116249 is 9426115669571.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1752658254400 + 7006861849 = 1323880^2 + 83707^2 .

It is an emirp because it is prime and its reverse (9426115669571) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1759665116249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1759665116191 and 1759665116200.

It is not a weakly prime, because it can be changed into another prime (1759665116449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 879832558124 + 879832558125.

It is an arithmetic number, because the mean of its divisors is an integer number (879832558125).

Almost surely, 2^{1759665116249} is an apocalyptic number.

It is an amenable number.

1759665116249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1759665116249 is an equidigital number, since it uses as much as digits as its factorization.

1759665116249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24494400, while the sum is 62.

The spelling of 1759665116249 in words is "one trillion, seven hundred fifty-nine billion, six hundred sixty-five million, one hundred sixteen thousand, two hundred forty-nine".