34178304689 has 4 divisors (see below), whose sum is σ = 34234612224. Its totient is φ = 34121997156.

The previous prime is 34178304617. The next prime is 34178304691. The reversal of 34178304689 is 98640387143.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98640387143 = 3853 ⋅25600931.

It is a cyclic number.

It is not a de Polignac number, because 34178304689 - 2¹² = 34178300593 is a prime.

It is a super-2 number, since 2×34178304689² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34178304689.

It is not an unprimeable number, because it can be changed into a prime (34178304889) 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, 28152857 + ... + 28154070.

It is an arithmetic number, because the mean of its divisors is an integer number (8558653056).

Almost surely, 2^34178304689 is an apocalyptic number.

It is an amenable number.

34178304689 is a deficient number, since it is larger than the sum of its proper divisors (56307535).

34178304689 is an equidigital number, since it uses as much as digits as its factorization.

34178304689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56307534.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 34178304689 in words is "thirty-four billion, one hundred seventy-eight million, three hundred four thousand, six hundred eighty-nine".