14918370023821 has 8 divisors (see below), whose sum is σ = 16714439142624. Its totient is φ = 13195609848720.

The previous prime is 14918370023801. The next prime is 14918370023833. The reversal of 14918370023821 is 12832007381941.

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

It is a cyclic number.

It is not a de Polignac number, because 14918370023821 - 2¹⁷ = 14918369892749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14918370023801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18327235495 + ... + 18327236308.

It is an arithmetic number, because the mean of its divisors is an integer number (2089304892828).

Almost surely, 2^{14918370023821} is an apocalyptic number.

14918370023821 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14918370023821 is a deficient number, since it is larger than the sum of its proper divisors (1796069118803).

14918370023821 is a wasteful number, since it uses less digits than its factorization.

14918370023821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36654471851.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 14918370023821 in words is "fourteen trillion, nine hundred eighteen billion, three hundred seventy million, twenty-three thousand, eight hundred twenty-one".