455442244549 has 2 divisors, whose sum is σ = 455442244550. Its totient is φ = 455442244548.

The previous prime is 455442244529. The next prime is 455442244559. The reversal of 455442244549 is 945442244554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419117696449 + 36324548100 = 647393^2 + 190590^2 .

It is a cyclic number.

It is not a de Polignac number, because 455442244549 - 2¹¹ = 455442242501 is a prime.

It is a super-2 number, since 2×455442244549² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 455442244496 and 455442244505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455442244519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227721122274 + 227721122275.

It is an arithmetic number, because the mean of its divisors is an integer number (227721122275).

Almost surely, 2^455442244549 is an apocalyptic number.

It is an amenable number.

455442244549 is a deficient number, since it is larger than the sum of its proper divisors (1).

455442244549 is an equidigital number, since it uses as much as digits as its factorization.

455442244549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432000, while the sum is 52.

The spelling of 455442244549 in words is "four hundred fifty-five billion, four hundred forty-two million, two hundred forty-four thousand, five hundred forty-nine".