452241239491 has 2 divisors, whose sum is σ = 452241239492. Its totient is φ = 452241239490.

The previous prime is 452241239419. The next prime is 452241239497. The reversal of 452241239491 is 194932142254.

Together with previous prime (452241239419) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 452241239491 - 2¹¹ = 452241237443 is a prime.

It is not a weakly prime, because it can be changed into another prime (452241239497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226120619745 + 226120619746.

It is an arithmetic number, because the mean of its divisors is an integer number (226120619746).

Almost surely, 2^452241239491 is an apocalyptic number.

452241239491 is a deficient number, since it is larger than the sum of its proper divisors (1).

452241239491 is an equidigital number, since it uses as much as digits as its factorization.

452241239491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The spelling of 452241239491 in words is "four hundred fifty-two billion, two hundred forty-one million, two hundred thirty-nine thousand, four hundred ninety-one".