14103533621 has 2 divisors, whose sum is σ = 14103533622. Its totient is φ = 14103533620.

The previous prime is 14103533603. The next prime is 14103533623. The reversal of 14103533621 is 12633530141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11196814225 + 2906719396 = 105815^2 + 53914^2 .

It is a cyclic number.

It is not a de Polignac number, because 14103533621 - 2¹⁸ = 14103271477 is a prime.

Together with 14103533623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14103533623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7051766810 + 7051766811.

It is an arithmetic number, because the mean of its divisors is an integer number (7051766811).

Almost surely, 2^14103533621 is an apocalyptic number.

It is an amenable number.

14103533621 is a deficient number, since it is larger than the sum of its proper divisors (1).

14103533621 is an equidigital number, since it uses as much as digits as its factorization.

14103533621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 14103533621 in words is "fourteen billion, one hundred three million, five hundred thirty-three thousand, six hundred twenty-one".