14251271021 has 8 divisors (see below), whose sum is σ = 15348483864. Its totient is φ = 13154195520.

The previous prime is 14251271009. The next prime is 14251271033. The reversal of 14251271021 is 12017215241.

14251271021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14251271009) and next prime (14251271033).

It can be written as a sum of positive squares in 4 ways, for example, as 749992996 + 13501278025 = 27386^2 + 116195^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14251271021 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 (14251274021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306695 + ... + 350091.

It is an arithmetic number, because the mean of its divisors is an integer number (1918560483).

Almost surely, 2^14251271021 is an apocalyptic number.

It is an amenable number.

14251271021 is a deficient number, since it is larger than the sum of its proper divisors (1097212843).

14251271021 is a wasteful number, since it uses less digits than its factorization.

14251271021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68671.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 14251271021 its reverse (12017215241), we get a palindrome (26268486262).

The spelling of 14251271021 in words is "fourteen billion, two hundred fifty-one million, two hundred seventy-one thousand, twenty-one".