14391665953 has 8 divisors (see below), whose sum is σ = 16461076608. Its totient is φ = 12325619904.

The previous prime is 14391665941. The next prime is 14391665969. The reversal of 14391665953 is 35956619341.

It is a happy number.

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 14391665953 - 2⁹ = 14391665441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14391665953.

It is not an unprimeable number, because it can be changed into a prime (14391665923) 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, 831976 + ... + 849097.

It is an arithmetic number, because the mean of its divisors is an integer number (2057634576).

Almost surely, 2^14391665953 is an apocalyptic number.

It is an amenable number.

14391665953 is a deficient number, since it is larger than the sum of its proper divisors (2069410655).

14391665953 is a wasteful number, since it uses less digits than its factorization.

14391665953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682303.

The product of its digits is 2624400, while the sum is 52.

The spelling of 14391665953 in words is "fourteen billion, three hundred ninety-one million, six hundred sixty-five thousand, nine hundred fifty-three".