14778668049 has 8 divisors (see below), whose sum is σ = 19879270752. Its totient is φ = 9765255360.

The previous prime is 14778668039. The next prime is 14778668059. The reversal of 14778668049 is 94086687741.

It is an interprime number because it is at equal distance from previous prime (14778668039) and next prime (14778668059).

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

It is not a de Polignac number, because 14778668049 - 2⁴ = 14778668033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14778667983 and 14778668001.

It is not an unprimeable number, because it can be changed into a prime (14778668039) 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, 21797107 + ... + 21797784.

It is an arithmetic number, because the mean of its divisors is an integer number (2484908844).

Almost surely, 2^14778668049 is an apocalyptic number.

It is an amenable number.

14778668049 is a deficient number, since it is larger than the sum of its proper divisors (5100602703).

14778668049 is a wasteful number, since it uses less digits than its factorization.

14778668049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43595007.

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 14778668049 in words is "fourteen billion, seven hundred seventy-eight million, six hundred sixty-eight thousand, forty-nine".