212453763329 has 2 divisors, whose sum is σ = 212453763330. Its totient is φ = 212453763328.

The previous prime is 212453763271. The next prime is 212453763341. The reversal of 212453763329 is 923367354212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174262832704 + 38190930625 = 417448^2 + 195425^2 .

It is a cyclic number.

It is not a de Polignac number, because 212453763329 - 2⁸ = 212453763073 is a prime.

It is not a weakly prime, because it can be changed into another prime (212453763229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106226881664 + 106226881665.

It is an arithmetic number, because the mean of its divisors is an integer number (106226881665).

Almost surely, 2^212453763329 is an apocalyptic number.

It is an amenable number.

212453763329 is a deficient number, since it is larger than the sum of its proper divisors (1).

212453763329 is an equidigital number, since it uses as much as digits as its factorization.

212453763329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 47.

The spelling of 212453763329 in words is "two hundred twelve billion, four hundred fifty-three million, seven hundred sixty-three thousand, three hundred twenty-nine".