449157004569 has 36 divisors (see below), whose sum is σ = 812760304356. Its totient is φ = 236917977408.

The previous prime is 449157004511. The next prime is 449157004579. The reversal of 449157004569 is 965400751944.

449157004569 is a `hidden beast` number, since 4 + 4 + 9 + 1 + 5 + 70 + 0 + 4 + 569 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 240958265625 + 208198738944 = 490875^2 + 456288^2 .

It is not a de Polignac number, because 449157004569 - 2¹⁵ = 449156971801 is a prime.

It is a super-2 number, since 2×449157004569² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449157004579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39167214 + ... + 39178679.

It is an arithmetic number, because the mean of its divisors is an integer number (22576675121).

Almost surely, 2^449157004569 is an apocalyptic number.

449157004569 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

449157004569 is a deficient number, since it is larger than the sum of its proper divisors (363603299787).

449157004569 is a wasteful number, since it uses less digits than its factorization.

449157004569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78345926 (or 78345916 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 449157004569 in words is "four hundred forty-nine billion, one hundred fifty-seven million, four thousand, five hundred sixty-nine".