455434434509 has 2 divisors, whose sum is σ = 455434434510. Its totient is φ = 455434434508.

The previous prime is 455434434503. The next prime is 455434434577. The reversal of 455434434509 is 905434434554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341091040900 + 114343393609 = 584030^2 + 338147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455434434509 is a prime.

It is a super-2 number, since 2×455434434509² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455434434503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227717217254 + 227717217255.

It is an arithmetic number, because the mean of its divisors is an integer number (227717217255).

Almost surely, 2^455434434509 is an apocalyptic number.

It is an amenable number.

455434434509 is a deficient number, since it is larger than the sum of its proper divisors (1).

455434434509 is an equidigital number, since it uses as much as digits as its factorization.

455434434509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368000, while the sum is 50.

The spelling of 455434434509 in words is "four hundred fifty-five billion, four hundred thirty-four million, four hundred thirty-four thousand, five hundred nine".