100000449999 has 12 divisors (see below), whose sum is σ = 146273514400. Its totient is φ = 65823080544.

The previous prime is 100000449947. The next prime is 100000450007. The reversal of 100000449999 is 999944000001.

It is not a de Polignac number, because 100000449999 - 2¹¹ = 100000447951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000449599) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70323094 + ... + 70324515.

Almost surely, 2^100000449999 is an apocalyptic number.

100000449999 is a deficient number, since it is larger than the sum of its proper divisors (46273064401).

100000449999 is a wasteful number, since it uses less digits than its factorization.

100000449999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140647694 (or 140647691 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 100000449999 in words is "one hundred billion, four hundred forty-nine thousand, nine hundred ninety-nine".