6622060649 has 2 divisors, whose sum is σ = 6622060650. Its totient is φ = 6622060648.

The previous prime is 6622060639. The next prime is 6622060693. The reversal of 6622060649 is 9460602266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6566185024 + 55875625 = 81032^2 + 7475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6622060649 is a prime.

It is not a weakly prime, because it can be changed into another prime (6622060639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311030324 + 3311030325.

It is an arithmetic number, because the mean of its divisors is an integer number (3311030325).

Almost surely, 2^6622060649 is an apocalyptic number.

It is an amenable number.

6622060649 is a deficient number, since it is larger than the sum of its proper divisors (1).

6622060649 is an equidigital number, since it uses as much as digits as its factorization.

6622060649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 6622060649 is about 81376.0446876106. The cubic root of 6622060649 is about 1877.8650739515.

The spelling of 6622060649 in words is "six billion, six hundred twenty-two million, sixty thousand, six hundred forty-nine".