449793903838 has 8 divisors (see below), whose sum is σ = 676819219032. Its totient is φ = 224187497496.

The previous prime is 449793903817. The next prime is 449793903841. The reversal of 449793903838 is 838309397944.

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

It is a super-2 number, since 2×449793903838² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354726420 + ... + 354727687.

It is an arithmetic number, because the mean of its divisors is an integer number (84602402379).

Almost surely, 2^449793903838 is an apocalyptic number.

449793903838 is a deficient number, since it is larger than the sum of its proper divisors (227025315194).

449793903838 is a wasteful number, since it uses less digits than its factorization.

449793903838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709454426.

The product of its (nonzero) digits is 141087744, while the sum is 67.

The spelling of 449793903838 in words is "four hundred forty-nine billion, seven hundred ninety-three million, nine hundred three thousand, eight hundred thirty-eight".