14663438971 has 8 divisors (see below), whose sum is σ = 14870341440. Its totient is φ = 14456699712.

The previous prime is 14663438953. The next prime is 14663438981. The reversal of 14663438971 is 17983436641.

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

It is a cyclic number.

It is not a de Polignac number, because 14663438971 - 2⁷ = 14663438843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14663438981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146145 + ... + 225133.

It is an arithmetic number, because the mean of its divisors is an integer number (1858792680).

Almost surely, 2^14663438971 is an apocalyptic number.

14663438971 is a deficient number, since it is larger than the sum of its proper divisors (206902469).

14663438971 is an equidigital number, since it uses as much as digits as its factorization.

14663438971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81605.

The product of its digits is 2612736, while the sum is 52.

The spelling of 14663438971 in words is "fourteen billion, six hundred sixty-three million, four hundred thirty-eight thousand, nine hundred seventy-one".