30109969 has 2 divisors, whose sum is σ = 30109970. Its totient is φ = 30109968.

The previous prime is 30109909. The next prime is 30109987. The reversal of 30109969 is 96990103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19140625 + 10969344 = 4375^2 + 3312^2 .

It is a cyclic number.

It is not a de Polignac number, because 30109969 - 2¹¹ = 30107921 is a prime.

It is a super-2 number, since 2×30109969² = 1813220466361922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30109909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15054984 + 15054985.

It is an arithmetic number, because the mean of its divisors is an integer number (15054985).

Almost surely, 2^30109969 is an apocalyptic number.

It is an amenable number.

30109969 is a deficient number, since it is larger than the sum of its proper divisors (1).

30109969 is an equidigital number, since it uses as much as digits as its factorization.

30109969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 30109969 is about 5487.2551426009. The cubic root of 30109969 is about 311.1024534675.

The spelling of 30109969 in words is "thirty million, one hundred nine thousand, nine hundred sixty-nine".