454444952813 has 2 divisors, whose sum is σ = 454444952814. Its totient is φ = 454444952812.

The previous prime is 454444952791. The next prime is 454444952903. The reversal of 454444952813 is 318259444454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265186891369 + 189258061444 = 514963^2 + 435038^2 .

It is a cyclic number.

It is not a de Polignac number, because 454444952813 - 2⁶ = 454444952749 is a prime.

It is a super-2 number, since 2×454444952813² (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 (454444952713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227222476406 + 227222476407.

It is an arithmetic number, because the mean of its divisors is an integer number (227222476407).

Almost surely, 2^454444952813 is an apocalyptic number.

It is an amenable number.

454444952813 is a deficient number, since it is larger than the sum of its proper divisors (1).

454444952813 is an equidigital number, since it uses as much as digits as its factorization.

454444952813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11059200, while the sum is 53.

The spelling of 454444952813 in words is "four hundred fifty-four billion, four hundred forty-four million, nine hundred fifty-two thousand, eight hundred thirteen".