452995468021 has 2 divisors, whose sum is σ = 452995468022. Its totient is φ = 452995468020.

The previous prime is 452995468019. The next prime is 452995468033. The reversal of 452995468021 is 120864599254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 362566558225 + 90428909796 = 602135^2 + 300714^2 .

It is a cyclic number.

It is not a de Polignac number, because 452995468021 - 2¹ = 452995468019 is a prime.

Together with 452995468019, 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 (452995468001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226497734010 + 226497734011.

It is an arithmetic number, because the mean of its divisors is an integer number (226497734011).

Almost surely, 2^452995468021 is an apocalyptic number.

It is an amenable number.

452995468021 is a deficient number, since it is larger than the sum of its proper divisors (1).

452995468021 is an equidigital number, since it uses as much as digits as its factorization.

452995468021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 452995468021 in words is "four hundred fifty-two billion, nine hundred ninety-five million, four hundred sixty-eight thousand, twenty-one".