449861626803 has 16 divisors (see below), whose sum is σ = 603691504640. Its totient is φ = 297970946784.

The previous prime is 449861626777. The next prime is 449861626849. The reversal of 449861626803 is 308626168944.

It is not a de Polignac number, because 449861626803 - 2¹⁰ = 449861625779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449861626853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1372350 + ... + 1668252.

It is an arithmetic number, because the mean of its divisors is an integer number (37730719040).

Almost surely, 2^449861626803 is an apocalyptic number.

449861626803 is a deficient number, since it is larger than the sum of its proper divisors (153829877837).

449861626803 is a wasteful number, since it uses less digits than its factorization.

449861626803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299178.

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 449861626803 in words is "four hundred forty-nine billion, eight hundred sixty-one million, six hundred twenty-six thousand, eight hundred three".