18199287034 has 8 divisors (see below), whose sum is σ = 27482145300. Its totient is φ = 9038571936.

The previous prime is 18199287023. The next prime is 18199287059. The reversal of 18199287034 is 43078299181.

It can be written as a sum of positive squares in 2 ways, for example, as 16191799009 + 2007488025 = 127247^2 + 44805^2 .

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, 30535419 + ... + 30536014.

Almost surely, 2^18199287034 is an apocalyptic number.

18199287034 is a deficient number, since it is larger than the sum of its proper divisors (9282858266).

18199287034 is a wasteful number, since it uses less digits than its factorization.

18199287034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61071584.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 18199287034 in words is "eighteen billion, one hundred ninety-nine million, two hundred eighty-seven thousand, thirty-four".