13662528473965 has 8 divisors (see below), whose sum is σ = 18737181907200. Its totient is φ = 9368590953552.

The previous prime is 13662528473953. The next prime is 13662528473983. The reversal of 13662528473965 is 56937482526631.

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 13662528473965 - 2⁵ = 13662528473933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13662528473965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195178978165 + ... + 195178978234.

It is an arithmetic number, because the mean of its divisors is an integer number (2342147738400).

Almost surely, 2^{13662528473965} is an apocalyptic number.

It is an amenable number.

13662528473965 is a deficient number, since it is larger than the sum of its proper divisors (5074653433235).

13662528473965 is an equidigital number, since it uses as much as digits as its factorization.

13662528473965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390357956411.

The product of its digits is 391910400, while the sum is 67.

The spelling of 13662528473965 in words is "thirteen trillion, six hundred sixty-two billion, five hundred twenty-eight million, four hundred seventy-three thousand, nine hundred sixty-five".