3665000789 has 4 divisors (see below), whose sum is σ = 3665152140. Its totient is φ = 3664849440.

The previous prime is 3665000767. The next prime is 3665000819. The reversal of 3665000789 is 9870005663.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2172492100 + 1492508689 = 46610^2 + 38633^2 .

It is a cyclic number.

It is not a de Polignac number, because 3665000789 - 2⁸ = 3665000533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665000749) 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 3 ways as a sum of consecutive naturals, for example, 30272 + ... + 90809.

It is an arithmetic number, because the mean of its divisors is an integer number (916288035).

Almost surely, 2^3665000789 is an apocalyptic number.

It is an amenable number.

3665000789 is a deficient number, since it is larger than the sum of its proper divisors (151351).

3665000789 is a wasteful number, since it uses less digits than its factorization.

3665000789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151350.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 3665000789 is about 60539.2499870951. The cubic root of 3665000789 is about 1541.7881053103.

The spelling of 3665000789 in words is "three billion, six hundred sixty-five million, seven hundred eighty-nine", and thus it is an aban number.