449408791101 has 4 divisors (see below), whose sum is σ = 599211721472. Its totient is φ = 299605860732.

The previous prime is 449408791081. The next prime is 449408791133. The reversal of 449408791101 is 101197804944.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-449408791101 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 (449408791151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74901465181 + ... + 74901465186.

It is an arithmetic number, because the mean of its divisors is an integer number (149802930368).

Almost surely, 2^449408791101 is an apocalyptic number.

It is an amenable number.

449408791101 is a deficient number, since it is larger than the sum of its proper divisors (149802930371).

449408791101 is a wasteful number, since it uses less digits than its factorization.

449408791101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149802930370.

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 449408791101 in words is "four hundred forty-nine billion, four hundred eight million, seven hundred ninety-one thousand, one hundred one".