14064973021 has 4 divisors (see below), whose sum is σ = 15343606944. Its totient is φ = 12786339100.

The previous prime is 14064973009. The next prime is 14064973031. The reversal of 14064973021 is 12037946041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14064973021 - 2¹¹ = 14064970973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14064973031) 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, 639316945 + ... + 639316966.

It is an arithmetic number, because the mean of its divisors is an integer number (3835901736).

Almost surely, 2^14064973021 is an apocalyptic number.

14064973021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14064973021 is a deficient number, since it is larger than the sum of its proper divisors (1278633923).

14064973021 is a wasteful number, since it uses less digits than its factorization.

14064973021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278633922.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 14064973021 in words is "fourteen billion, sixty-four million, nine hundred seventy-three thousand, twenty-one".