450803530781 has 4 divisors (see below), whose sum is σ = 454939343100. Its totient is φ = 446667718464.

The previous prime is 450803530721. The next prime is 450803530783. The reversal of 450803530781 is 187035308054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 194935495225 + 255868035556 = 441515^2 + 505834^2 .

It is a cyclic number.

It is not a de Polignac number, because 450803530781 - 2⁶ = 450803530717 is a prime.

It is a super-2 number, since 2×450803530781² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450803530783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2067905996 + ... + 2067906213.

It is an arithmetic number, because the mean of its divisors is an integer number (113734835775).

Almost surely, 2^450803530781 is an apocalyptic number.

It is an amenable number.

450803530781 is a deficient number, since it is larger than the sum of its proper divisors (4135812319).

450803530781 is a wasteful number, since it uses less digits than its factorization.

450803530781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135812318.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 450803530781 in words is "four hundred fifty billion, eight hundred three million, five hundred thirty thousand, seven hundred eighty-one".