6109894691 has 2 divisors, whose sum is σ = 6109894692. Its totient is φ = 6109894690.

The previous prime is 6109894669. The next prime is 6109894793. The reversal of 6109894691 is 1964989016.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6109894691 - 2¹⁰ = 6109893667 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6109894621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3054947345 + 3054947346.

It is an arithmetic number, because the mean of its divisors is an integer number (3054947346).

Almost surely, 2^6109894691 is an apocalyptic number.

6109894691 is a deficient number, since it is larger than the sum of its proper divisors (1).

6109894691 is an equidigital number, since it uses as much as digits as its factorization.

6109894691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 53.

The square root of 6109894691 is about 78165.8153606805. The cubic root of 6109894691 is about 1828.1475367796.

The spelling of 6109894691 in words is "six billion, one hundred nine million, eight hundred ninety-four thousand, six hundred ninety-one".