449696050081 has 4 divisors (see below), whose sum is σ = 449740282500. Its totient is φ = 449651817664.

The previous prime is 449696050051. The next prime is 449696050129. The reversal of 449696050081 is 180050696944.

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 283219809856 + 166476240225 = 532184^2 + 408015^2 .

It is a cyclic number.

It is not a de Polignac number, because 449696050081 - 2²³ = 449687661473 is a prime.

It is a super-3 number, since 3×449696050081³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449696050051) 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, 22100956 + ... + 22121293.

It is an arithmetic number, because the mean of its divisors is an integer number (112435070625).

Almost surely, 2^449696050081 is an apocalyptic number.

It is an amenable number.

449696050081 is a deficient number, since it is larger than the sum of its proper divisors (44232419).

449696050081 is a wasteful number, since it uses less digits than its factorization.

449696050081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44232418.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 449696050081 in words is "four hundred forty-nine billion, six hundred ninety-six million, fifty thousand, eighty-one".