451434115135543 has 2 divisors, whose sum is σ = 451434115135544. Its totient is φ = 451434115135542.

The previous prime is 451434115135541. The next prime is 451434115135571. The reversal of 451434115135543 is 345531511434154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451434115135543 - 2¹ = 451434115135541 is a prime.

Together with 451434115135541, 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 (451434115135541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225717057567771 + 225717057567772.

It is an arithmetic number, because the mean of its divisors is an integer number (225717057567772).

Almost surely, 2^{451434115135543} is an apocalyptic number.

451434115135543 is a deficient number, since it is larger than the sum of its proper divisors (1).

451434115135543 is an equidigital number, since it uses as much as digits as its factorization.

451434115135543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320000, while the sum is 49.

Adding to 451434115135543 its reverse (345531511434154), we get a palindrome (796965626569697).

The spelling of 451434115135543 in words is "four hundred fifty-one trillion, four hundred thirty-four billion, one hundred fifteen million, one hundred thirty-five thousand, five hundred forty-three".