14781878642963 has 4 divisors (see below), whose sum is σ = 15424569018768. Its totient is φ = 14139188267160.

The previous prime is 14781878642863. The next prime is 14781878642981. The reversal of 14781878642963 is 36924687818741.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 14781878642963 - 2²² = 14781874448659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14781878642983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321345187868 + ... + 321345187913.

It is an arithmetic number, because the mean of its divisors is an integer number (3856142254692).

Almost surely, 2^{14781878642963} is an apocalyptic number.

14781878642963 is a deficient number, since it is larger than the sum of its proper divisors (642690375805).

14781878642963 is an equidigital number, since it uses as much as digits as its factorization.

14781878642963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642690375804.

The product of its digits is 780337152, while the sum is 74.

The spelling of 14781878642963 in words is "fourteen trillion, seven hundred eighty-one billion, eight hundred seventy-eight million, six hundred forty-two thousand, nine hundred sixty-three".