13963340642 has 8 divisors (see below), whose sum is σ = 21148360896. Its totient is φ = 6913887012.

The previous prime is 13963340639. The next prime is 13963340683. The reversal of 13963340642 is 24604336931.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13963340642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33891398 + ... + 33891809.

It is an arithmetic number, because the mean of its divisors is an integer number (2643545112).

Almost surely, 2^13963340642 is an apocalyptic number.

13963340642 is a deficient number, since it is larger than the sum of its proper divisors (7185020254).

13963340642 is a wasteful number, since it uses less digits than its factorization.

13963340642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67783312.

The product of its (nonzero) digits is 279936, while the sum is 41.

The spelling of 13963340642 in words is "thirteen billion, nine hundred sixty-three million, three hundred forty thousand, six hundred forty-two".