449539480523 has 16 divisors (see below), whose sum is σ = 527574712320. Its totient is φ = 375072568416.

The previous prime is 449539480471. The next prime is 449539480543. The reversal of 449539480523 is 325084935944.

It is not a de Polignac number, because 449539480523 - 2¹² = 449539476427 is a prime.

It is a super-3 number, since 3×449539480523³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449539480543) 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 15 ways as a sum of consecutive naturals, for example, 4723343 + ... + 4817576.

It is an arithmetic number, because the mean of its divisors is an integer number (32973419520).

Almost surely, 2^449539480523 is an apocalyptic number.

449539480523 is a deficient number, since it is larger than the sum of its proper divisors (78035231797).

449539480523 is a wasteful number, since it uses less digits than its factorization.

449539480523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9541106.

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 449539480523 in words is "four hundred forty-nine billion, five hundred thirty-nine million, four hundred eighty thousand, five hundred twenty-three".