3214651656649 has 2 divisors, whose sum is σ = 3214651656650. Its totient is φ = 3214651656648.

The previous prime is 3214651656581. The next prime is 3214651656703. The reversal of 3214651656649 is 9466561564123.

3214651656649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2835973881225 + 378677775424 = 1684035^2 + 615368^2 .

It is an emirp because it is prime and its reverse (9466561564123) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3214651656649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3214651656593 and 3214651656602.

It is not a weakly prime, because it can be changed into another prime (3214651656049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607325828324 + 1607325828325.

It is an arithmetic number, because the mean of its divisors is an integer number (1607325828325).

Almost surely, 2^{3214651656649} is an apocalyptic number.

It is an amenable number.

3214651656649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3214651656649 is an equidigital number, since it uses as much as digits as its factorization.

3214651656649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27993600, while the sum is 58.

The spelling of 3214651656649 in words is "three trillion, two hundred fourteen billion, six hundred fifty-one million, six hundred fifty-six thousand, six hundred forty-nine".