34645969 has 2 divisors, whose sum is σ = 34645970. Its totient is φ = 34645968.

The previous prime is 34645937. The next prime is 34645991. The reversal of 34645969 is 96954643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33814225 + 831744 = 5815^2 + 912^2 .

It is a cyclic number.

It is not a de Polignac number, because 34645969 - 2⁵ = 34645937 is a prime.

It is a super-2 number, since 2×34645969² = 2400686335897922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34645069) 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, 17322984 + 17322985.

It is an arithmetic number, because the mean of its divisors is an integer number (17322985).

Almost surely, 2^34645969 is an apocalyptic number.

It is an amenable number.

34645969 is a deficient number, since it is larger than the sum of its proper divisors (1).

34645969 is an equidigital number, since it uses as much as digits as its factorization.

34645969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 46.

The square root of 34645969 is about 5886.0826531744. The cubic root of 34645969 is about 325.9999780446. Note that the first 4 decimals are identical.

It can be divided in two parts, 346459 and 69, that added together give a triangular number (346528 = T₈₃₂).

The spelling of 34645969 in words is "thirty-four million, six hundred forty-five thousand, nine hundred sixty-nine".