449357040977 has 4 divisors (see below), whose sum is σ = 483922967220. Its totient is φ = 414791114736.

The previous prime is 449357040931. The next prime is 449357041031. The reversal of 449357040977 is 779040753944.

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 166073365441 + 283283675536 = 407521^2 + 532244^2 .

It is a cyclic number.

It is not a de Polignac number, because 449357040977 - 2⁸ = 449357040721 is a prime.

It is a super-2 number, since 2×449357040977² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449357046977) 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, 17282963102 + ... + 17282963127.

It is an arithmetic number, because the mean of its divisors is an integer number (120980741805).

Almost surely, 2^449357040977 is an apocalyptic number.

It is an amenable number.

449357040977 is a deficient number, since it is larger than the sum of its proper divisors (34565926243).

449357040977 is a wasteful number, since it uses less digits than its factorization.

449357040977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34565926242.

The product of its (nonzero) digits is 26671680, while the sum is 59.

The spelling of 449357040977 in words is "four hundred forty-nine billion, three hundred fifty-seven million, forty thousand, nine hundred seventy-seven".