6500890369 has 4 divisors (see below), whose sum is σ = 6540773296. Its totient is φ = 6461007444.

The previous prime is 6500890367. The next prime is 6500890379. The reversal of 6500890369 is 9630980056.

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 6500890369 - 2¹ = 6500890367 is a prime.

It is a super-2 number, since 2×6500890369² = 84523151179513912322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6500890367) 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, 19941219 + ... + 19941544.

It is an arithmetic number, because the mean of its divisors is an integer number (1635193324).

Almost surely, 2^6500890369 is an apocalyptic number.

It is an amenable number.

6500890369 is a deficient number, since it is larger than the sum of its proper divisors (39882927).

6500890369 is a wasteful number, since it uses less digits than its factorization.

6500890369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39882926.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 6500890369 is about 80628.0991280335. The cubic root of 6500890369 is about 1866.3407876521.

The spelling of 6500890369 in words is "six billion, five hundred million, eight hundred ninety thousand, three hundred sixty-nine".