14443653420 has 72 divisors (see below), whose sum is σ = 50071336224. Its totient is φ = 3301406208.

The previous prime is 14443653403. The next prime is 14443653437. The reversal of 14443653420 is 2435634441.

14443653420 is a `hidden beast` number, since 144 + 43 + 6 + 53 + 420 = 666.

14443653420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14443653403) and next prime (14443653437).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5730349 + ... + 5732868.

Almost surely, 2^14443653420 is an apocalyptic number.

14443653420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14443653420 is an abundant number, since it is smaller than the sum of its proper divisors (35627682804).

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

14443653420 is a wasteful number, since it uses less digits than its factorization.

14443653420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11463239 (or 11463234 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 14443653420 in words is "fourteen billion, four hundred forty-three million, six hundred fifty-three thousand, four hundred twenty".