18234805510234 has 4 divisors (see below), whose sum is σ = 27352208265354. Its totient is φ = 9117402755116.

The previous prime is 18234805510193. The next prime is 18234805510237. The reversal of 18234805510234 is 43201550843281.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14149657129609 + 4085148380625 = 3761603^2 + 2021175^2 .

It is not an unprimeable number, because it can be changed into a prime (18234805510237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4558701377557 + ... + 4558701377560.

Almost surely, 2^{18234805510234} is an apocalyptic number.

18234805510234 is a deficient number, since it is larger than the sum of its proper divisors (9117402755120).

18234805510234 is an equidigital number, since it uses as much as digits as its factorization.

18234805510234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9117402755119.

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 18234805510234 in words is "eighteen trillion, two hundred thirty-four billion, eight hundred five million, five hundred ten thousand, two hundred thirty-four".