369090609 has 4 divisors (see below), whose sum is σ = 492120816. Its totient is φ = 246060404.

The previous prime is 369090593. The next prime is 369090611. The reversal of 369090609 is 906090963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 369090609 - 2⁴ = 369090593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (369091609) 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 in 3 ways as a sum of consecutive naturals, for example, 61515099 + ... + 61515104.

It is an arithmetic number, because the mean of its divisors is an integer number (123030204).

Almost surely, 2^369090609 is an apocalyptic number.

It is an amenable number.

369090609 is a deficient number, since it is larger than the sum of its proper divisors (123030207).

369090609 is a wasteful number, since it uses less digits than its factorization.

369090609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123030206.

The product of its (nonzero) digits is 78732, while the sum is 42.

The square root of 369090609 is about 19211.7310256000. The cubic root of 369090609 is about 717.3167934592.

The spelling of 369090609 in words is "three hundred sixty-nine million, ninety thousand, six hundred nine".