14919081984 has 224 divisors, whose sum is σ = 45421539840. Its totient is φ = 4835966976.

The previous prime is 14919081977. The next prime is 14919082063. The reversal of 14919081984 is 48918091941.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 14919081984.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8182897 + ... + 8184719.

Almost surely, 2^14919081984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14919081984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22710769920).

14919081984 is an abundant number, since it is smaller than the sum of its proper divisors (30502457856).

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

14919081984 is an equidigital number, since it uses as much as digits as its factorization.

14919081984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895 (or 1865 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 54.

The spelling of 14919081984 in words is "fourteen billion, nine hundred nineteen million, eighty-one thousand, nine hundred eighty-four".