14663531645 has 32 divisors (see below), whose sum is σ = 21746009088. Its totient is φ = 9262153728.

The previous prime is 14663531629. The next prime is 14663531651. The reversal of 14663531645 is 54613536641.

It is a cyclic number.

It is not a de Polignac number, because 14663531645 - 2⁴ = 14663531629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14663531596 and 14663531605.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 234212 + ... + 290141.

It is an arithmetic number, because the mean of its divisors is an integer number (679562784).

Almost surely, 2^14663531645 is an apocalyptic number.

It is an amenable number.

14663531645 is a deficient number, since it is larger than the sum of its proper divisors (7082477443).

14663531645 is a wasteful number, since it uses less digits than its factorization.

14663531645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524429.

The product of its digits is 777600, while the sum is 44.

The spelling of 14663531645 in words is "fourteen billion, six hundred sixty-three million, five hundred thirty-one thousand, six hundred forty-five".