3628722065 has 8 divisors (see below), whose sum is σ = 4355055528. Its totient is φ = 2902584960.

The previous prime is 3628722061. The next prime is 3628722079. The reversal of 3628722065 is 5602278263.

3628722065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1950017281 + 1678704784 = 44159^2 + 40972^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3628722065 - 2² = 3628722061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3628722061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4796 + ... + 85325.

It is an arithmetic number, because the mean of its divisors is an integer number (544381941).

Almost surely, 2^3628722065 is an apocalyptic number.

It is an amenable number.

3628722065 is a deficient number, since it is larger than the sum of its proper divisors (726333463).

3628722065 is an equidigital number, since it uses as much as digits as its factorization.

3628722065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98179.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 3628722065 is about 60238.8750309964. The cubic root of 3628722065 is about 1536.6839968109.

The spelling of 3628722065 in words is "three billion, six hundred twenty-eight million, seven hundred twenty-two thousand, sixty-five".