449663148473 has 8 divisors (see below), whose sum is σ = 560618990400. Its totient is φ = 350386868880.

The previous prime is 449663148449. The next prime is 449663148491. The reversal of 449663148473 is 374841366944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 449663148473 - 2²⁰ = 449662099897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449663148673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2919890498 + ... + 2919890651.

It is an arithmetic number, because the mean of its divisors is an integer number (70077373800).

Almost surely, 2^449663148473 is an apocalyptic number.

It is an amenable number.

449663148473 is a deficient number, since it is larger than the sum of its proper divisors (110955841927).

449663148473 is a wasteful number, since it uses less digits than its factorization.

449663148473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5839781167.

The product of its digits is 41803776, while the sum is 59.

The spelling of 449663148473 in words is "four hundred forty-nine billion, six hundred sixty-three million, one hundred forty-eight thousand, four hundred seventy-three".