34218081243 has 24 divisors (see below), whose sum is σ = 50157036800. Its totient is φ = 22476936240.

The previous prime is 34218081239. The next prime is 34218081283.

It is a happy number.

34218081243 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 34218081243 - 2² = 34218081239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34218081198 and 34218081207.

It is not an unprimeable number, because it can be changed into a prime (34218081283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91728 + ... + 277218.

Almost surely, 2^34218081243 is an apocalyptic number.

34218081243 is a deficient number, since it is larger than the sum of its proper divisors (15938955557).

34218081243 is a wasteful number, since it uses less digits than its factorization.

34218081243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185799 (or 185796 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 34218081243 in words is "thirty-four billion, two hundred eighteen million, eighty-one thousand, two hundred forty-three".