34304987809 has 4 divisors (see below), whose sum is σ = 34365278340. Its totient is φ = 34244697280.

The previous prime is 34304987753. The next prime is 34304987839. The reversal of 34304987809 is 90878940343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90878940343 = 73 ⋅1244916991.

It can be written as a sum of positive squares in 2 ways, for example, as 23013800209 + 11291187600 = 151703^2 + 106260^2 .

It is a cyclic number.

It is not a de Polignac number, because 34304987809 - 2¹⁷ = 34304856737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34304987809.

It is not an unprimeable number, because it can be changed into a prime (34304987839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30144412 + ... + 30145549.

It is an arithmetic number, because the mean of its divisors is an integer number (8591319585).

Almost surely, 2^34304987809 is an apocalyptic number.

It is an amenable number.

34304987809 is a deficient number, since it is larger than the sum of its proper divisors (60290531).

34304987809 is an equidigital number, since it uses as much as digits as its factorization.

34304987809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60290530.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 34304987809 in words is "thirty-four billion, three hundred four million, nine hundred eighty-seven thousand, eight hundred nine".