14069978494009 has 3 divisors (see below), whose sum is σ = 14069982245007. Its totient is φ = 14069974743012.

The previous prime is 14069978493931. The next prime is 14069978494027. The reversal of 14069978494009 is 90049487996041.

The square root of 14069978494009 is 3750997.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 10710925290025 + 3359053203984 = 3272755^2 + 1832772^2 .

It is not a de Polignac number, because 14069978494009 - 2¹⁹ = 14069977969721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14069978494069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1875499 + ... + 5626495.

It is an arithmetic number, because the mean of its divisors is an integer number (4689994081669).

Almost surely, 2^{14069978494009} is an apocalyptic number.

14069978494009 is the 3750997-th square number.

14069978494009 is the 1875499-th centered octagonal number.

It is an amenable number.

14069978494009 is a deficient number, since it is larger than the sum of its proper divisors (3750998).

14069978494009 is an frugal number, since it uses more digits than its factorization.

14069978494009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501994 (or 3750997 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 70.

The spelling of 14069978494009 in words is "fourteen trillion, sixty-nine billion, nine hundred seventy-eight million, four hundred ninety-four thousand, nine".