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449226408961 = 1140838764451
BaseRepresentation
bin1101000100101111111…
…10110000010000000001
31120221112100202001012201
412202113332300100001
524330003430041321
6542212144553201
744312151321211
oct6422776602001
91527470661181
10449226408961
11163574662010
1273091022801
1333492043795
1417a57c80241
15ba433d1291
hex6897fb0401

449226408961 has 4 divisors (see below), whose sum is σ = 490065173424. Its totient is φ = 408387644500.

The previous prime is 449226408941. The next prime is 449226409001. The reversal of 449226408961 is 169804622944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 449226408961 - 27 = 449226408833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449226408941) 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 3 ways as a sum of consecutive naturals, for example, 20419382215 + ... + 20419382236.

It is an arithmetic number, because the mean of its divisors is an integer number (122516293356).

Almost surely, 2449226408961 is an apocalyptic number.

It is an amenable number.

449226408961 is a deficient number, since it is larger than the sum of its proper divisors (40838764463).

449226408961 is a wasteful number, since it uses less digits than its factorization.

449226408961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40838764462.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 449226408961 in words is "four hundred forty-nine billion, two hundred twenty-six million, four hundred eight thousand, nine hundred sixty-one".

Divisors: 1 11 40838764451 449226408961