2094927409 has 2 divisors, whose sum is σ = 2094927410. Its totient is φ = 2094927408.

The previous prime is 2094927407. The next prime is 2094927463. The reversal of 2094927409 is 9047294902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1227801600 + 867125809 = 35040^2 + 29447^2 .

It is a cyclic number.

It is not a de Polignac number, because 2094927409 - 2¹ = 2094927407 is a prime.

Together with 2094927407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2094927407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1047463704 + 1047463705.

It is an arithmetic number, because the mean of its divisors is an integer number (1047463705).

Almost surely, 2^2094927409 is an apocalyptic number.

It is an amenable number.

2094927409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2094927409 is an equidigital number, since it uses as much as digits as its factorization.

2094927409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 2094927409 is about 45770.3769811873. The cubic root of 2094927409 is about 1279.5472456756.

The spelling of 2094927409 in words is "two billion, ninety-four million, nine hundred twenty-seven thousand, four hundred nine".