3522620608649 has 2 divisors, whose sum is σ = 3522620608650. Its totient is φ = 3522620608648.

The previous prime is 3522620608613. The next prime is 3522620608783. The reversal of 3522620608649 is 9468060262253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2774556490000 + 748064118649 = 1665700^2 + 864907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3522620608649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3522620608649.

It is not a weakly prime, because it can be changed into another prime (3522620602649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1761310304324 + 1761310304325.

It is an arithmetic number, because the mean of its divisors is an integer number (1761310304325).

Almost surely, 2^{3522620608649} is an apocalyptic number.

It is an amenable number.

3522620608649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3522620608649 is an equidigital number, since it uses as much as digits as its factorization.

3522620608649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 3522620608649 in words is "three trillion, five hundred twenty-two billion, six hundred twenty million, six hundred eight thousand, six hundred forty-nine".