18434268331234 has 32 divisors (see below), whose sum is σ = 32213326884480. Its totient is φ = 7748499547008.

The previous prime is 18434268331231. The next prime is 18434268331321. The reversal of 18434268331234 is 43213386243481.

It is not an unprimeable number, because it can be changed into a prime (18434268331231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42695107 + ... + 43124710.

It is an arithmetic number, because the mean of its divisors is an integer number (1006666465140).

Almost surely, 2^{18434268331234} is an apocalyptic number.

18434268331234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18434268331234 is a deficient number, since it is larger than the sum of its proper divisors (13779058553246).

18434268331234 is a wasteful number, since it uses less digits than its factorization.

18434268331234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85820122.

The product of its digits is 7962624, while the sum is 52.

The spelling of 18434268331234 in words is "eighteen trillion, four hundred thirty-four billion, two hundred sixty-eight million, three hundred thirty-one thousand, two hundred thirty-four".