3628722061 has 2 divisors, whose sum is σ = 3628722062. Its totient is φ = 3628722060.

The previous prime is 3628722059. The next prime is 3628722079. The reversal of 3628722061 is 1602278263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3539060100 + 89661961 = 59490^2 + 9469^2 .

It is an emirp because it is prime and its reverse (1602278263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3628722061 - 2¹ = 3628722059 is a prime.

Together with 3628722059, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3628722061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3628722001) 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, 1814361030 + 1814361031.

It is an arithmetic number, because the mean of its divisors is an integer number (1814361031).

Almost surely, 2^3628722061 is an apocalyptic number.

It is an amenable number.

3628722061 is a deficient number, since it is larger than the sum of its proper divisors (1).

3628722061 is an equidigital number, since it uses as much as digits as its factorization.

3628722061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 3628722061 is about 60238.8749977952. The cubic root of 3628722061 is about 1536.6839962462.

The spelling of 3628722061 in words is "three billion, six hundred twenty-eight million, seven hundred twenty-two thousand, sixty-one".