14013331021 has 2 divisors, whose sum is σ = 14013331022. Its totient is φ = 14013331020.

The previous prime is 14013330967. The next prime is 14013331037. The reversal of 14013331021 is 12013331041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13627994121 + 385336900 = 116739^2 + 19630^2 .

It is a cyclic number.

It is not a de Polignac number, because 14013331021 - 2²¹ = 14011233869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14013331021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14013331061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7006665510 + 7006665511.

It is an arithmetic number, because the mean of its divisors is an integer number (7006665511).

Almost surely, 2^14013331021 is an apocalyptic number.

It is an amenable number.

14013331021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14013331021 is an equidigital number, since it uses as much as digits as its factorization.

14013331021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 14013331021 its reverse (12013331041), we get a palindrome (26026662062).

The spelling of 14013331021 in words is "fourteen billion, thirteen million, three hundred thirty-one thousand, twenty-one".