18421887014 has 8 divisors (see below), whose sum is σ = 27634752288. Its totient is φ = 9210302920.

The previous prime is 18421886999. The next prime is 18421887023. The reversal of 18421887014 is 41078812481.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 283502 + ... + 342369.

It is an arithmetic number, because the mean of its divisors is an integer number (3454344036).

Almost surely, 2^18421887014 is an apocalyptic number.

18421887014 is a deficient number, since it is larger than the sum of its proper divisors (9212865274).

18421887014 is a wasteful number, since it uses less digits than its factorization.

18421887014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640590.

The product of its (nonzero) digits is 114688, while the sum is 44.

The spelling of 18421887014 in words is "eighteen billion, four hundred twenty-one million, eight hundred eighty-seven thousand, fourteen".