449688183949 has 8 divisors (see below), whose sum is σ = 463456458080. Its totient is φ = 436070383056.

The previous prime is 449688183859. The next prime is 449688183977. The reversal of 449688183949 is 949381886944.

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 449688183949 - 2⁷ = 449688183821 is a prime.

It is a super-2 number, since 2×449688183949² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449688184949) 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, 37612242 + ... + 37624195.

It is an arithmetic number, because the mean of its divisors is an integer number (57932057260).

Almost surely, 2^449688183949 is an apocalyptic number.

It is an amenable number.

449688183949 is a deficient number, since it is larger than the sum of its proper divisors (13768274131).

449688183949 is a wasteful number, since it uses less digits than its factorization.

449688183949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75236619.

The product of its digits is 429981696, while the sum is 73.

The spelling of 449688183949 in words is "four hundred forty-nine billion, six hundred eighty-eight million, one hundred eighty-three thousand, nine hundred forty-nine".