14557647649 has 4 divisors (see below), whose sum is σ = 14562101440. Its totient is φ = 14553193860.

The previous prime is 14557647557. The next prime is 14557647673. The reversal of 14557647649 is 94674675541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14557647649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14557647593 and 14557647602.

It is not an unprimeable number, because it can be changed into a prime (14557647149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2221989 + ... + 2228530.

It is an arithmetic number, because the mean of its divisors is an integer number (3640525360).

Almost surely, 2^14557647649 is an apocalyptic number.

It is an amenable number.

14557647649 is a deficient number, since it is larger than the sum of its proper divisors (4453791).

14557647649 is an equidigital number, since it uses as much as digits as its factorization.

14557647649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453790.

The product of its digits is 25401600, while the sum is 58.

The spelling of 14557647649 in words is "fourteen billion, five hundred fifty-seven million, six hundred forty-seven thousand, six hundred forty-nine".