14028415906 has 4 divisors (see below), whose sum is σ = 21042623862. Its totient is φ = 7014207952.

The previous prime is 14028415871. The next prime is 14028415909. The reversal of 14028415906 is 60951482041.

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

It can be written as a sum of positive squares in only one way, i.e., 7206481881 + 6821934025 = 84891^2 + 82595^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (14028415909) 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 as a sum of consecutive naturals, namely, 3507103975 + ... + 3507103978.

Almost surely, 2^14028415906 is an apocalyptic number.

14028415906 is a deficient number, since it is larger than the sum of its proper divisors (7014207956).

14028415906 is an equidigital number, since it uses as much as digits as its factorization.

14028415906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014207955.

The product of its (nonzero) digits is 69120, while the sum is 40.

Adding to 14028415906 its reverse (60951482041), we get a palindrome (74979897947).

The spelling of 14028415906 in words is "fourteen billion, twenty-eight million, four hundred fifteen thousand, nine hundred six".