104309969 has 2 divisors, whose sum is σ = 104309970. Its totient is φ = 104309968.

The previous prime is 104309957. The next prime is 104309971. The reversal of 104309969 is 969903401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93993025 + 10316944 = 9695^2 + 3212^2 .

It is a cyclic number.

It is not a de Polignac number, because 104309969 - 2⁸ = 104309713 is a prime.

It is a super-2 number, since 2×104309969² = 21761139265561922, which contains 22 as substring.

Together with 104309971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104309269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52154984 + 52154985.

It is an arithmetic number, because the mean of its divisors is an integer number (52154985).

Almost surely, 2^104309969 is an apocalyptic number.

It is an amenable number.

104309969 is a deficient number, since it is larger than the sum of its proper divisors (1).

104309969 is an equidigital number, since it uses as much as digits as its factorization.

104309969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 104309969 is about 10213.2252006895. The cubic root of 104309969 is about 470.7336798275.

The spelling of 104309969 in words is "one hundred four million, three hundred nine thousand, nine hundred sixty-nine".