10809619 has 2 divisors, whose sum is σ = 10809620. Its totient is φ = 10809618.

The previous prime is 10809611. The next prime is 10809653. The reversal of 10809619 is 91690801.

It is an a-pointer prime, because the next prime (10809653) can be obtained adding 10809619 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10809619 - 2³ = 10809611 is a prime.

It is a super-2 number, since 2×10809619² = 233695725850322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10809611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5404809 + 5404810.

It is an arithmetic number, because the mean of its divisors is an integer number (5404810).

Almost surely, 2^10809619 is an apocalyptic number.

10809619 is a deficient number, since it is larger than the sum of its proper divisors (1).

10809619 is an equidigital number, since it uses as much as digits as its factorization.

10809619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 10809619 is about 3287.7985035583. The cubic root of 10809619 is about 221.1074939622.

The spelling of 10809619 in words is "ten million, eight hundred nine thousand, six hundred nineteen".