13963647812 has 24 divisors (see below), whose sum is σ = 25334856960. Its totient is φ = 6727085280.

The previous prime is 13963647811. The next prime is 13963647821. The reversal of 13963647812 is 21874636931.

It is not an unprimeable number, because it can be changed into a prime (13963647811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217478 + ... + 274269.

It is an arithmetic number, because the mean of its divisors is an integer number (1055619040).

Almost surely, 2^13963647812 is an apocalyptic number.

It is an amenable number.

13963647812 is a deficient number, since it is larger than the sum of its proper divisors (11371209148).

13963647812 is a wasteful number, since it uses less digits than its factorization.

13963647812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492011 (or 492009 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The spelling of 13963647812 in words is "thirteen billion, nine hundred sixty-three million, six hundred forty-seven thousand, eight hundred twelve".