452221445413 has 2 divisors, whose sum is σ = 452221445414. Its totient is φ = 452221445412.

The previous prime is 452221445411. The next prime is 452221445437. The reversal of 452221445413 is 314544122254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 443472087969 + 8749357444 = 665937^2 + 93538^2 .

It is a cyclic number.

It is not a de Polignac number, because 452221445413 - 2¹ = 452221445411 is a prime.

Together with 452221445411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452221445411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226110722706 + 226110722707.

It is an arithmetic number, because the mean of its divisors is an integer number (226110722707).

Almost surely, 2^452221445413 is an apocalyptic number.

It is an amenable number.

452221445413 is a deficient number, since it is larger than the sum of its proper divisors (1).

452221445413 is an equidigital number, since it uses as much as digits as its factorization.

452221445413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153600, while the sum is 37.

Adding to 452221445413 its reverse (314544122254), we get a palindrome (766765567667).

The spelling of 452221445413 in words is "four hundred fifty-two billion, two hundred twenty-one million, four hundred forty-five thousand, four hundred thirteen".