34185218534 has 4 divisors (see below), whose sum is σ = 51277827804. Its totient is φ = 17092609266.

The previous prime is 34185218503. The next prime is 34185218539. The reversal of 34185218534 is 43581258143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43581258143 = 177511 ⋅245513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34185218539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8546304632 + ... + 8546304635.

It is an arithmetic number, because the mean of its divisors is an integer number (12819456951).

Almost surely, 2^34185218534 is an apocalyptic number.

34185218534 is a deficient number, since it is larger than the sum of its proper divisors (17092609270).

34185218534 is a wasteful number, since it uses less digits than its factorization.

34185218534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17092609269.

The product of its digits is 460800, while the sum is 44.

The spelling of 34185218534 in words is "thirty-four billion, one hundred eighty-five million, two hundred eighteen thousand, five hundred thirty-four".