34428717187 has 4 divisors (see below), whose sum is σ = 34429482216. Its totient is φ = 34427952160.

The previous prime is 34428717179. The next prime is 34428717209. The reversal of 34428717187 is 78171782443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78171782443 = 773 ⋅101127791.

It is a cyclic number.

It is not a de Polignac number, because 34428717187 - 2³ = 34428717179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34428717107) 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, 310489 + ... + 406522.

It is an arithmetic number, because the mean of its divisors is an integer number (8607370554).

Almost surely, 2^34428717187 is an apocalyptic number.

34428717187 is a deficient number, since it is larger than the sum of its proper divisors (765029).

34428717187 is an equidigital number, since it uses as much as digits as its factorization.

34428717187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765028.

The product of its digits is 2107392, while the sum is 52.

The spelling of 34428717187 in words is "thirty-four billion, four hundred twenty-eight million, seven hundred seventeen thousand, one hundred eighty-seven".