210243414427 has 2 divisors, whose sum is σ = 210243414428. Its totient is φ = 210243414426.

The previous prime is 210243414389. The next prime is 210243414463. The reversal of 210243414427 is 724414342012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210243414427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210243414392 and 210243414401.

It is not a weakly prime, because it can be changed into another prime (210243414467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105121707213 + 105121707214.

It is an arithmetic number, because the mean of its divisors is an integer number (105121707214).

Almost surely, 2^210243414427 is an apocalyptic number.

210243414427 is a deficient number, since it is larger than the sum of its proper divisors (1).

210243414427 is an equidigital number, since it uses as much as digits as its factorization.

210243414427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 34.

Adding to 210243414427 its reverse (724414342012), we get a palindrome (934657756439).

The spelling of 210243414427 in words is "two hundred ten billion, two hundred forty-three million, four hundred fourteen thousand, four hundred twenty-seven".