6936061609 has 2 divisors, whose sum is σ = 6936061610. Its totient is φ = 6936061608.

The previous prime is 6936061607. The next prime is 6936061621. The reversal of 6936061609 is 9061606396.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6921408025 + 14653584 = 83195^2 + 3828^2 .

It is a cyclic number.

It is not a de Polignac number, because 6936061609 - 2¹ = 6936061607 is a prime.

Together with 6936061607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6936061607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3468030804 + 3468030805.

It is an arithmetic number, because the mean of its divisors is an integer number (3468030805).

Almost surely, 2^6936061609 is an apocalyptic number.

It is an amenable number.

6936061609 is a deficient number, since it is larger than the sum of its proper divisors (1).

6936061609 is an equidigital number, since it uses as much as digits as its factorization.

6936061609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 6936061609 is about 83283.0211327615. The cubic root of 6936061609 is about 1907.0890857303.

The spelling of 6936061609 in words is "six billion, nine hundred thirty-six million, sixty-one thousand, six hundred nine".