449516227577 has 4 divisors (see below), whose sum is σ = 449538499956. Its totient is φ = 449493955200.

The previous prime is 449516227571. The next prime is 449516227579. The reversal of 449516227577 is 775722615944.

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 68468048896 + 381048178681 = 261664^2 + 617291^2 .

It is a cyclic number.

It is not a de Polignac number, because 449516227577 - 2⁶ = 449516227513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449516227571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11105888 + ... + 11146289.

It is an arithmetic number, because the mean of its divisors is an integer number (112384624989).

Almost surely, 2^449516227577 is an apocalyptic number.

It is an amenable number.

449516227577 is a deficient number, since it is larger than the sum of its proper divisors (22272379).

449516227577 is a wasteful number, since it uses less digits than its factorization.

449516227577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22272378.

The product of its digits is 29635200, while the sum is 59.

The spelling of 449516227577 in words is "four hundred forty-nine billion, five hundred sixteen million, two hundred twenty-seven thousand, five hundred seventy-seven".