6194413409 has 2 divisors, whose sum is σ = 6194413410. Its totient is φ = 6194413408.

The previous prime is 6194413387. The next prime is 6194413417. The reversal of 6194413409 is 9043144916.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4618561600 + 1575851809 = 67960^2 + 39697^2 .

It is a cyclic number.

It is not a de Polignac number, because 6194413409 - 2¹² = 6194409313 is a prime.

It is not a weakly prime, because it can be changed into another prime (6194413609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3097206704 + 3097206705.

It is an arithmetic number, because the mean of its divisors is an integer number (3097206705).

Almost surely, 2^6194413409 is an apocalyptic number.

It is an amenable number.

6194413409 is a deficient number, since it is larger than the sum of its proper divisors (1).

6194413409 is an equidigital number, since it uses as much as digits as its factorization.

6194413409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 6194413409 is about 78704.5958569130. The cubic root of 6194413409 is about 1836.5386060553.

The spelling of 6194413409 in words is "six billion, one hundred ninety-four million, four hundred thirteen thousand, four hundred nine".