14453643647 has 8 divisors (see below), whose sum is σ = 15086702976. Its totient is φ = 13820971032.

The previous prime is 14453643637. The next prime is 14453643667. The reversal of 14453643647 is 74634635441.

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

It is not a de Polignac number, because 14453643647 - 2⁶ = 14453643583 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 (14453643637) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18953 + ... + 171074.

It is an arithmetic number, because the mean of its divisors is an integer number (1885837872).

Almost surely, 2^14453643647 is an apocalyptic number.

14453643647 is a deficient number, since it is larger than the sum of its proper divisors (633059329).

14453643647 is a wasteful number, since it uses less digits than its factorization.

14453643647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193357.

The product of its digits is 2903040, while the sum is 47.

The spelling of 14453643647 in words is "fourteen billion, four hundred fifty-three million, six hundred forty-three thousand, six hundred forty-seven".