10309969 has 2 divisors, whose sum is σ = 10309970. Its totient is φ = 10309968.

The previous prime is 10309927. The next prime is 10310021. The reversal of 10309969 is 96990301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6066369 + 4243600 = 2463^2 + 2060^2 .

It is an emirp because it is prime and its reverse (96990301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10309969 - 2¹³ = 10301777 is a prime.

It is a super-2 number, since 2×10309969² = 212590921561922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10309919) 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, 5154984 + 5154985.

It is an arithmetic number, because the mean of its divisors is an integer number (5154985).

Almost surely, 2^10309969 is an apocalyptic number.

It is an amenable number.

10309969 is a deficient number, since it is larger than the sum of its proper divisors (1).

10309969 is an equidigital number, since it uses as much as digits as its factorization.

10309969 is an odious number, because the sum of its binary digits is odd.

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

The square root of 10309969 is about 3210.9140443182. The cubic root of 10309969 is about 217.6468836519.

The spelling of 10309969 in words is "ten million, three hundred nine thousand, nine hundred sixty-nine".