14938773018 has 128 divisors (see below), whose sum is σ = 35152330752. Its totient is φ = 4190247936.

The previous prime is 14938772999. The next prime is 14938773023. The reversal of 14938773018 is 81037783941.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7240255 + ... + 7242317.

It is an arithmetic number, because the mean of its divisors is an integer number (274627584).

Almost surely, 2^14938773018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14938773018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17576165376).

14938773018 is an abundant number, since it is smaller than the sum of its proper divisors (20213557734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14938773018 is a wasteful number, since it uses less digits than its factorization.

14938773018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 14938773018 in words is "fourteen billion, nine hundred thirty-eight million, seven hundred seventy-three thousand, eighteen".