2896685009 has 2 divisors, whose sum is σ = 2896685010. Its totient is φ = 2896685008.

The previous prime is 2896685003. The next prime is 2896685017. The reversal of 2896685009 is 9005866982.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1858041025 + 1038643984 = 43105^2 + 32228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2896685009 is a prime.

It is not a weakly prime, because it can be changed into another prime (2896685003) 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, 1448342504 + 1448342505.

It is an arithmetic number, because the mean of its divisors is an integer number (1448342505).

Almost surely, 2^2896685009 is an apocalyptic number.

It is an amenable number.

2896685009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2896685009 is an equidigital number, since it uses as much as digits as its factorization.

2896685009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The square root of 2896685009 is about 53820.8603517261. The cubic root of 2896685009 is about 1425.4995698309.

The spelling of 2896685009 in words is "two billion, eight hundred ninety-six million, six hundred eighty-five thousand, nine".