1650336616349 has 2 divisors, whose sum is σ = 1650336616350. Its totient is φ = 1650336616348.

The previous prime is 1650336616303. The next prime is 1650336616391. The reversal of 1650336616349 is 9436166330561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1592914079449 + 57422536900 = 1262107^2 + 239630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1650336616349 is a prime.

It is a super-2 number, since 2×1650336616349² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1650336616349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1650336616949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825168308174 + 825168308175.

It is an arithmetic number, because the mean of its divisors is an integer number (825168308175).

Almost surely, 2^{1650336616349} is an apocalyptic number.

It is an amenable number.

1650336616349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1650336616349 is an equidigital number, since it uses as much as digits as its factorization.

1650336616349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6298560, while the sum is 53.

The spelling of 1650336616349 in words is "one trillion, six hundred fifty billion, three hundred thirty-six million, six hundred sixteen thousand, three hundred forty-nine".