449922993 has 8 divisors (see below), whose sum is σ = 646043328. Its totient is φ = 276875664.

The previous prime is 449922973. The next prime is 449923009. The reversal of 449922993 is 399229944.

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

It is not a de Polignac number, because 449922993 - 2¹² = 449918897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (449922943) 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, 5768205 + ... + 5768282.

It is an arithmetic number, because the mean of its divisors is an integer number (80755416).

Almost surely, 2^449922993 is an apocalyptic number.

It is an amenable number.

449922993 is a deficient number, since it is larger than the sum of its proper divisors (196120335).

449922993 is a wasteful number, since it uses less digits than its factorization.

449922993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11536503.

The product of its digits is 1259712, while the sum is 51.

The square root of 449922993 is about 21211.3882855413. The cubic root of 449922993 is about 766.2657179070.

The spelling of 449922993 in words is "four hundred forty-nine million, nine hundred twenty-two thousand, nine hundred ninety-three".