18289851350 has 48 divisors (see below), whose sum is σ = 34229952000. Its totient is φ = 7270749600.

The previous prime is 18289851347. The next prime is 18289851361. The reversal of 18289851350 is 5315898281.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 6097151 + ... + 6100149.

It is an arithmetic number, because the mean of its divisors is an integer number (713124000).

Almost surely, 2^18289851350 is an apocalyptic number.

18289851350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18289851350 is a deficient number, since it is larger than the sum of its proper divisors (15940100650).

18289851350 is a wasteful number, since it uses less digits than its factorization.

18289851350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725 (or 3720 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 50.

The spelling of 18289851350 in words is "eighteen billion, two hundred eighty-nine million, eight hundred fifty-one thousand, three hundred fifty".