34451719865 has 4 divisors (see below), whose sum is σ = 41342063844. Its totient is φ = 27561375888.

The previous prime is 34451719859. The next prime is 34451719879. The reversal of 34451719865 is 56891715443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25348460944 + 9103258921 = 159212^2 + 95411^2 .

It is a cyclic number.

It is not a de Polignac number, because 34451719865 - 2²⁰ = 34450671289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3445171982 + ... + 3445171991.

It is an arithmetic number, because the mean of its divisors is an integer number (10335515961).

Almost surely, 2^34451719865 is an apocalyptic number.

It is an amenable number.

34451719865 is a deficient number, since it is larger than the sum of its proper divisors (6890343979).

34451719865 is an equidigital number, since it uses as much as digits as its factorization.

34451719865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6890343978.

The product of its digits is 3628800, while the sum is 53.

The spelling of 34451719865 in words is "thirty-four billion, four hundred fifty-one million, seven hundred nineteen thousand, eight hundred sixty-five".