6109669 has 2 divisors, whose sum is σ = 6109670. Its totient is φ = 6109668.

The previous prime is 6109667. The next prime is 6109673. The reversal of 6109669 is 9669016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3744225 + 2365444 = 1935^2 + 1538^2 .

It is a cyclic number.

It is not a de Polignac number, because 6109669 - 2¹ = 6109667 is a prime.

It is a super-2 number, since 2×6109669² = 74656110579122, which contains 22 as substring.

Together with 6109667, it forms a pair of twin primes.

6109669 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6109667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3054834 + 3054835.

It is an arithmetic number, because the mean of its divisors is an integer number (3054835).

Almost surely, 2^6109669 is an apocalyptic number.

It is an amenable number.

6109669 is a deficient number, since it is larger than the sum of its proper divisors (1).

6109669 is an equidigital number, since it uses as much as digits as its factorization.

6109669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 6109669 is about 2471.7744638215. The cubic root of 6109669 is about 182.8125026761.

The spelling of 6109669 in words is "six million, one hundred nine thousand, six hundred sixty-nine".