3669573165769 has 27 divisors (see below), whose sum is σ = 4303581408711. Its totient is φ = 3119843956320.

The previous prime is 3669573165767. The next prime is 3669573165823. The reversal of 3669573165769 is 9675613759663.

The square root of 3669573165769 is 1915613.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3233656308169 + 435916857600 = 1798237^2 + 660240^2 .

It is not a de Polignac number, because 3669573165769 - 2¹ = 3669573165767 is a prime.

It is a super-2 number, since 2×3669573165769² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3669573165767) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1756616077 + ... + 1756618165.

Almost surely, 2^{3669573165769} is an apocalyptic number.

3669573165769 is the 1915613-rd square number.

3669573165769 is the 957807-th centered octagonal number.

It is an amenable number.

3669573165769 is a deficient number, since it is larger than the sum of its proper divisors (634008242942).

3669573165769 is an frugal number, since it uses more digits than its factorization.

3669573165769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454 (or 2227 counting only the distinct ones).

The product of its digits is 1157360400, while the sum is 73.

The spelling of 3669573165769 in words is "three trillion, six hundred sixty-nine billion, five hundred seventy-three million, one hundred sixty-five thousand, seven hundred sixty-nine".