449363331369 has 40 divisors (see below), whose sum is σ = 709714542240. Its totient is φ = 282557942784.

The previous prime is 449363331367. The next prime is 449363331377. The reversal of 449363331369 is 963133363944.

449363331369 is a `hidden beast` number, since 4 + 493 + 63 + 3 + 31 + 3 + 69 = 666.

It is not a de Polignac number, because 449363331369 - 2¹ = 449363331367 is a prime.

It is a super-2 number, since 2×449363331369² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449363331367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 293784 + ... + 992489.

It is an arithmetic number, because the mean of its divisors is an integer number (17742863556).

Almost surely, 2^449363331369 is an apocalyptic number.

It is an amenable number.

449363331369 is a deficient number, since it is larger than the sum of its proper divisors (260351210871).

449363331369 is a wasteful number, since it uses less digits than its factorization.

449363331369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286531 (or 1286522 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 54.

The spelling of 449363331369 in words is "four hundred forty-nine billion, three hundred sixty-three million, three hundred thirty-one thousand, three hundred sixty-nine".