14381443820 has 12 divisors (see below), whose sum is σ = 30201032064. Its totient is φ = 5752577520.

The previous prime is 14381443807. The next prime is 14381443831. The reversal of 14381443820 is 2834418341.

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 3 ways as a sum of consecutive naturals, for example, 359536076 + ... + 359536115.

It is an arithmetic number, because the mean of its divisors is an integer number (2516752672).

Almost surely, 2^14381443820 is an apocalyptic number.

14381443820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14381443820 is an abundant number, since it is smaller than the sum of its proper divisors (15819588244).

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

14381443820 is a wasteful number, since it uses less digits than its factorization.

14381443820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719072200 (or 719072198 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 14381443820 in words is "fourteen billion, three hundred eighty-one million, four hundred forty-three thousand, eight hundred twenty".