18384849370 has 8 divisors (see below), whose sum is σ = 33092728884. Its totient is φ = 7353939744.

The previous prime is 18384849337. The next prime is 18384849419. The reversal of 18384849370 is 7394848381.

It can be written as a sum of positive squares in 2 ways, for example, as 18171309601 + 213539769 = 134801^2 + 14613^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 919242459 + ... + 919242478.

Almost surely, 2^18384849370 is an apocalyptic number.

18384849370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18384849370 is a deficient number, since it is larger than the sum of its proper divisors (14707879514).

18384849370 is a wasteful number, since it uses less digits than its factorization.

18384849370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838484944.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 18384849370 in words is "eighteen billion, three hundred eighty-four million, eight hundred forty-nine thousand, three hundred seventy".