450842818561 has 8 divisors (see below), whose sum is σ = 451052432064. Its totient is φ = 450633258960.

The previous prime is 450842818553. The next prime is 450842818579. The reversal of 450842818561 is 165818248054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450842818561 - 2³ = 450842818553 is a prime.

It is a super-2 number, since 2×450842818561² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450842818499 and 450842818508.

It is not an unprimeable number, because it can be changed into a prime (450842858561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30155290 + ... + 30170236.

It is an arithmetic number, because the mean of its divisors is an integer number (56381554008).

Almost surely, 2^450842818561 is an apocalyptic number.

It is an amenable number.

450842818561 is a deficient number, since it is larger than the sum of its proper divisors (209613503).

450842818561 is a wasteful number, since it uses less digits than its factorization.

450842818561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26951.

The product of its (nonzero) digits is 2457600, while the sum is 52.

The spelling of 450842818561 in words is "four hundred fifty billion, eight hundred forty-two million, eight hundred eighteen thousand, five hundred sixty-one".