14947828712813 has 4 divisors (see below), whose sum is σ = 14949113674908. Its totient is φ = 14946543750720.

The previous prime is 14947828712777. The next prime is 14947828712819. The reversal of 14947828712813 is 31821782874941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13561741621129 + 1386087091684 = 3682627^2 + 1177322^2 .

It is a cyclic number.

It is not a de Polignac number, because 14947828712813 - 2¹² = 14947828708717 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 14947828712813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14947828712819) 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, 642463598 + ... + 642486863.

It is an arithmetic number, because the mean of its divisors is an integer number (3737278418727).

Almost surely, 2^{14947828712813} is an apocalyptic number.

It is an amenable number.

14947828712813 is a deficient number, since it is larger than the sum of its proper divisors (1284962095).

14947828712813 is a wasteful number, since it uses less digits than its factorization.

14947828712813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284962094.

The product of its digits is 43352064, while the sum is 65.

The spelling of 14947828712813 in words is "fourteen trillion, nine hundred forty-seven billion, eight hundred twenty-eight million, seven hundred twelve thousand, eight hundred thirteen".