18352234534 has 4 divisors (see below), whose sum is σ = 27528351804. Its totient is φ = 9176117266.

The previous prime is 18352234531. The next prime is 18352234559. The reversal of 18352234534 is 43543225381.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18352234531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4588058632 + ... + 4588058635.

It is an arithmetic number, because the mean of its divisors is an integer number (6882087951).

Almost surely, 2^18352234534 is an apocalyptic number.

18352234534 is a deficient number, since it is larger than the sum of its proper divisors (9176117270).

18352234534 is an equidigital number, since it uses as much as digits as its factorization.

18352234534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9176117269.

The product of its digits is 345600, while the sum is 40.

The spelling of 18352234534 in words is "eighteen billion, three hundred fifty-two million, two hundred thirty-four thousand, five hundred thirty-four".