3620674665 has 12 divisors (see below), whose sum is σ = 6275836164. Its totient is φ = 1931026464.

The previous prime is 3620674663. The next prime is 3620674669. The reversal of 3620674665 is 5664760263.

It can be written as a sum of positive squares in 2 ways, for example, as 908660736 + 2712013929 = 30144^2 + 52077^2 .

It is not a de Polignac number, because 3620674665 - 2¹ = 3620674663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 80459437 = 3620674665 / (3 + 6 + 2 + 0 + 6 + 7 + 4 + 6 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 3620674665.

It is not an unprimeable number, because it can be changed into a prime (3620674663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40229674 + ... + 40229763.

It is an arithmetic number, because the mean of its divisors is an integer number (522986347).

Almost surely, 2^3620674665 is an apocalyptic number.

It is an amenable number.

3620674665 is a deficient number, since it is larger than the sum of its proper divisors (2655161499).

3620674665 is a wasteful number, since it uses less digits than its factorization.

3620674665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80459448 (or 80459445 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The square root of 3620674665 is about 60172.0422206194. The cubic root of 3620674665 is about 1535.5471903885.

The spelling of 3620674665 in words is "three billion, six hundred twenty million, six hundred seventy-four thousand, six hundred sixty-five".