6091694209 has 4 divisors (see below), whose sum is σ = 6301752660. Its totient is φ = 5881635760.

The previous prime is 6091694197. The next prime is 6091694221. The reversal of 6091694209 is 9024961906.

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

It is an interprime number because it is at equal distance from previous prime (6091694197) and next prime (6091694221).

It can be written as a sum of positive squares in 2 ways, for example, as 3147546609 + 2944147600 = 56103^2 + 54260^2 .

It is a cyclic number.

It is not a de Polignac number, because 6091694209 - 2¹³ = 6091686017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6091694249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105029182 + ... + 105029239.

It is an arithmetic number, because the mean of its divisors is an integer number (1575438165).

Almost surely, 2^6091694209 is an apocalyptic number.

It is an amenable number.

6091694209 is a deficient number, since it is larger than the sum of its proper divisors (210058451).

6091694209 is a wasteful number, since it uses less digits than its factorization.

6091694209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210058450.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 6091694209 is about 78049.3062685377. The cubic root of 6091694209 is about 1826.3304700140.

The spelling of 6091694209 in words is "six billion, ninety-one million, six hundred ninety-four thousand, two hundred nine".