27029434218 has 16 divisors (see below), whose sum is σ = 54229404960. Its totient is φ = 8981388656.

The previous prime is 27029434169. The next prime is 27029434231. The reversal of 27029434218 is 81243492072.

It is a self number, because there is not a number n which added to its sum of digits gives 27029434218.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7103628 + ... + 7107431.

It is an arithmetic number, because the mean of its divisors is an integer number (3389337810).

Almost surely, 2^27029434218 is an apocalyptic number.

27029434218 is an abundant number, since it is smaller than the sum of its proper divisors (27199970742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27029434218 is a wasteful number, since it uses less digits than its factorization.

27029434218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14211381.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 27029434218 in words is "twenty-seven billion, twenty-nine million, four hundred thirty-four thousand, two hundred eighteen".